diff --git a/components/drivers/i2c/dev_i2c_bit_ops.c b/components/drivers/i2c/dev_i2c_bit_ops.c
index 005cf9035e7..0b055f1c87b 100644
--- a/components/drivers/i2c/dev_i2c_bit_ops.c
+++ b/components/drivers/i2c/dev_i2c_bit_ops.c
@@ -265,7 +265,7 @@ static rt_ssize_t i2c_recv_bytes(struct rt_i2c_bus_device *bus,
         ptr ++;
         count --;
 
-        LOG_D("recieve bytes: 0x%02x, %s",
+        LOG_D("receive bytes: 0x%02x, %s",
                 val, (flags & RT_I2C_NO_READ_ACK) ?
                 "(No ACK/NACK)" : (count ? "ACK" : "NACK"));
 
diff --git a/components/drivers/spi/dev_spi_msd.c b/components/drivers/spi/dev_spi_msd.c
index 8d81e348af5..441e1ea5c5f 100644
--- a/components/drivers/spi/dev_spi_msd.c
+++ b/components/drivers/spi/dev_spi_msd.c
@@ -199,7 +199,7 @@ static rt_err_t _send_cmd(
         return -RT_ERROR;//fail
     }
 
-    //recieve other byte
+    //receive other byte
     if (type == response_r1)
     {
         return RT_EOK;
diff --git a/components/finsh/msh.c b/components/finsh/msh.c
index 7cf93855aff..56ef8a1cb0c 100644
--- a/components/finsh/msh.c
+++ b/components/finsh/msh.c
@@ -451,7 +451,7 @@ static char *_msh_exec_search_env(const char *pg_name)
        or hitting its end */
     while (1)
     {
-        /* env paths are seperated by ':' */
+        /* env paths are separated by ':' */
         if (*pos == ':' || *pos == '\0')
         {
             tmp_ch = *pos;
diff --git a/components/lwp/lwp_args.c b/components/lwp/lwp_args.c
index 31ea659da5d..f1c723b120f 100644
--- a/components/lwp/lwp_args.c
+++ b/components/lwp/lwp_args.c
@@ -671,21 +671,21 @@ static char *_find_word(char *cp)
 }
 
 /**
- * @brief Seperate words in a string and get the next word
+ * @brief Separate words in a string and get the next word
  *
  * @param[in] cp Pointer to the string to process
  *
  * @return char* Pointer to the next word in the string
  *
- * @note Finds the next whitespace character, seperates words, and returns a
+ * @note Finds the next whitespace character, separates words, and returns a
  *       pointer to the next word.
  */
-static char *_seperate_and_get_nextword(char *cp)
+static char *_separate_and_get_nextword(char *cp)
 {
     /* find next whitespace */
     for (; *cp && (*cp != ' ') && (*cp != '\t'); cp++)
         ;
-    /* seperate words */
+    /* separate words */
     while ((*cp == ' ') || (*cp == '\t'))
     {
         *cp++ = '\0';
@@ -762,7 +762,7 @@ rt_err_t lwp_args_load_script(struct lwp_args_info *ai, const char *filename)
 
         do
         {
-            nextword = _seperate_and_get_nextword(cp);
+            nextword = _separate_and_get_nextword(cp);
             args_append(&ow_ai, cp, strlen(cp), LWP_ARGS_TYPE_KARG);
             cp = nextword;
         }
diff --git a/include/rtdef.h b/include/rtdef.h
index f3e10fe51f3..0dc919e77e4 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -57,8 +57,8 @@
  * 2023-12-01     Shell        Support of dynamic device
  * 2023-12-18     xqyjlj       add rt_always_inline
  * 2023-12-22     Shell        Support hook list
- * 2024-01-18     Shell        Seperate basical types to a rttypes.h
- *                             Seperate the compiler portings to rtcompiler.h
+ * 2024-01-18     Shell        Separate basical types to a rttypes.h
+ *                             Separate the compiler portings to rtcompiler.h
  * 2024-03-30     Meco Man     update version number to v5.2.0
  * 2025-11-10     Rbb666       update version number to v5.3.0
  */
diff --git a/libcpu/arm/AT91SAM7S/interrupt.c b/libcpu/arm/AT91SAM7S/interrupt.c
index 8468d364130..a34fa50994b 100644
--- a/libcpu/arm/AT91SAM7S/interrupt.c
+++ b/libcpu/arm/AT91SAM7S/interrupt.c
@@ -25,7 +25,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 
 void rt_hw_interrupt_handler(int vector)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/arm/AT91SAM7X/interrupt.c b/libcpu/arm/AT91SAM7X/interrupt.c
index 1d473654e2f..143d8b661bd 100644
--- a/libcpu/arm/AT91SAM7X/interrupt.c
+++ b/libcpu/arm/AT91SAM7X/interrupt.c
@@ -30,7 +30,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 
 static void rt_hw_interrupt_handler(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/arm/AT91SAM7X/trap.c b/libcpu/arm/AT91SAM7X/trap.c
index b2dfdb4949b..c8070fac963 100644
--- a/libcpu/arm/AT91SAM7X/trap.c
+++ b/libcpu/arm/AT91SAM7X/trap.c
@@ -41,7 +41,7 @@ void rt_hw_trap_fiq(void)
 extern struct rt_thread* rt_current_thread;
 void rt_hw_trap_abort(void)
 {
-    rt_kprintf("Abort occured!!! Thread [%s] suspended.\n",rt_current_thread->parent.name);
+    rt_kprintf("Abort occurred!!! Thread [%s] suspended.\n",rt_current_thread->parent.name);
     rt_thread_suspend(rt_current_thread);
     rt_schedule();
 
diff --git a/libcpu/arm/cortex-r4/interrupt.c b/libcpu/arm/cortex-r4/interrupt.c
index 345ca30e437..cd74e5244e6 100644
--- a/libcpu/arm/cortex-r4/interrupt.c
+++ b/libcpu/arm/cortex-r4/interrupt.c
@@ -36,7 +36,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 
 static void rt_hw_int_not_handle(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 #define vimRAM (0xFFF82000U)
diff --git a/libcpu/arm/lpc214x/cpuport.c b/libcpu/arm/lpc214x/cpuport.c
index 927ae93b4e0..cbaa761b633 100644
--- a/libcpu/arm/lpc214x/cpuport.c
+++ b/libcpu/arm/lpc214x/cpuport.c
@@ -74,7 +74,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 
 void rt_hw_interrupt_handler(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/arm/lpc24xx/interrupt.c b/libcpu/arm/lpc24xx/interrupt.c
index ec1b29e09e3..a8b8199ee60 100644
--- a/libcpu/arm/lpc24xx/interrupt.c
+++ b/libcpu/arm/lpc24xx/interrupt.c
@@ -30,7 +30,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 /*@{*/
 void rt_hw_interrupt_handler(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 void rt_hw_interrupt_init(void)
diff --git a/libcpu/arm/s3c24x0/interrupt.c b/libcpu/arm/s3c24x0/interrupt.c
index 79ef42df1ae..530b9848092 100644
--- a/libcpu/arm/s3c24x0/interrupt.c
+++ b/libcpu/arm/s3c24x0/interrupt.c
@@ -29,7 +29,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 
 static void rt_hw_interrupt_handle(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/arm/s3c44b0/interrupt.c b/libcpu/arm/s3c44b0/interrupt.c
index b69e675741f..44cef7f9c05 100644
--- a/libcpu/arm/s3c44b0/interrupt.c
+++ b/libcpu/arm/s3c44b0/interrupt.c
@@ -34,7 +34,7 @@ unsigned char interrupt_bank3[256];
 
 void rt_hw_interrupt_handle(int vector)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/arm/sep4020/interrupt.c b/libcpu/arm/sep4020/interrupt.c
index 641472d19fc..b32bccf4ee8 100644
--- a/libcpu/arm/sep4020/interrupt.c
+++ b/libcpu/arm/sep4020/interrupt.c
@@ -29,7 +29,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 
 static void rt_hw_interrupt_handle(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/ia32/interrupt.c b/libcpu/ia32/interrupt.c
index 473bf7714a3..b73c146c29a 100644
--- a/libcpu/ia32/interrupt.c
+++ b/libcpu/ia32/interrupt.c
@@ -56,7 +56,7 @@ void rt_hw_pic_init()
 
 void rt_hw_interrupt_handle(int vector, void* param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 void rt_hw_isr(int vector)
diff --git a/libcpu/mips/gs232/interrupt.c b/libcpu/mips/gs232/interrupt.c
index fb80a8c1ec6..1fe9b8a6277 100644
--- a/libcpu/mips/gs232/interrupt.c
+++ b/libcpu/mips/gs232/interrupt.c
@@ -35,7 +35,7 @@ static struct gs232_intc_regs volatile *gs232_hw0_icregs
 
 static void rt_hw_interrupt_handler(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/ppc/ppc405/interrupt.c b/libcpu/ppc/ppc405/interrupt.c
index 571bd6ff067..b2aa5f56030 100644
--- a/libcpu/ppc/ppc405/interrupt.c
+++ b/libcpu/ppc/ppc405/interrupt.c
@@ -24,7 +24,7 @@ rt_uint32_t rt_thread_switch_interrput_flag;
 
 rt_isr_handler_t rt_hw_interrupt_handler(rt_uint32_t vector, void* param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
     return RT_NULL;
 }
 
diff --git a/libcpu/risc-v/t-head/c906/interrupt.c b/libcpu/risc-v/t-head/c906/interrupt.c
index 2f7a86e6802..339dde808f2 100644
--- a/libcpu/risc-v/t-head/c906/interrupt.c
+++ b/libcpu/risc-v/t-head/c906/interrupt.c
@@ -23,7 +23,7 @@ struct rt_irq_desc isr_table[INTERRUPTS_MAX];
 
 static void rt_hw_interrupt_handler(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/risc-v/t-head/c908/interrupt.c b/libcpu/risc-v/t-head/c908/interrupt.c
index 2f7a86e6802..339dde808f2 100644
--- a/libcpu/risc-v/t-head/c908/interrupt.c
+++ b/libcpu/risc-v/t-head/c908/interrupt.c
@@ -23,7 +23,7 @@ struct rt_irq_desc isr_table[INTERRUPTS_MAX];
 
 static void rt_hw_interrupt_handler(int vector, void *param)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/libcpu/sim/posix/cpu_port.c b/libcpu/sim/posix/cpu_port.c
index 8b578977e30..0e432482f02 100644
--- a/libcpu/sim/posix/cpu_port.c
+++ b/libcpu/sim/posix/cpu_port.c
@@ -54,7 +54,7 @@ rt_ubase_t rt_thread_switch_interrupt_flag;
 
 /* interrupt event mutex */
 static pthread_mutex_t *ptr_int_mutex;
-static pthread_cond_t cond_int_hit; /* interrupt occured! */
+static pthread_cond_t cond_int_hit; /* interrupt occurred! */
 static volatile unsigned int  cpu_pending_interrupts;
 static int (* cpu_isr_table[MAX_INTERRUPT_NUM])(void) = {0};
 
diff --git a/libcpu/unicore32/sep6200/interrupt.c b/libcpu/unicore32/sep6200/interrupt.c
index ca0be86ad7b..44f8b193ce7 100644
--- a/libcpu/unicore32/sep6200/interrupt.c
+++ b/libcpu/unicore32/sep6200/interrupt.c
@@ -118,7 +118,7 @@ rt_inline void sep6200_irq_mask(rt_uint32_t irq)
 }
 rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
     return RT_NULL;
 }
 
diff --git a/libcpu/xilinx/microblaze/trap.c b/libcpu/xilinx/microblaze/trap.c
index 86b99a06a7e..1c2ac301ae1 100755
--- a/libcpu/xilinx/microblaze/trap.c
+++ b/libcpu/xilinx/microblaze/trap.c
@@ -33,7 +33,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 
 void rt_hw_interrupt_handler(int vector)
 {
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occurred!!!\n", vector);
 }
 
 /**
diff --git a/tools/building.py b/tools/building.py
index 26e13b3f84a..b0b4c144c61 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -318,7 +318,7 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
         if env['LINK'].find('gcc') != -1:
             env['LINK'] = env['LINK'].replace('gcc', 'g++')
 
-    # we need to seperate the variant_dir for BSPs and the kernels. BSPs could
+    # we need to separate the variant_dir for BSPs and the kernels. BSPs could
     # have their own components etc. If they point to the same folder, SCons
     # would find the wrong source code to compile.
     bsp_vdir = 'build'
@@ -792,7 +792,7 @@ def local_group(group, objects):
         for group in Projects:
             local_group(group, objects_in_group)
 
-        # sort seperately, because the data type of
+        # sort separately, because the data type of
         # the members of the two lists are different
         objects_in_group = sorted(objects_in_group)
         objects = sorted(objects)