diff --git a/.github/typos.toml b/.github/typos.toml
new file mode 100644
index 00000000..4f773c0f
--- /dev/null
+++ b/.github/typos.toml
@@ -0,0 +1,4 @@
+[default.extend-words]
+Symplify = "Symplify"
+
+Invokable = "Invokable"
\ No newline at end of file
diff --git a/.github/workflows/typos.yaml b/.github/workflows/typos.yaml
new file mode 100644
index 00000000..f06e4f15
--- /dev/null
+++ b/.github/workflows/typos.yaml
@@ -0,0 +1,24 @@
+# see https://github.com/crate-ci/typos
+name: "Typos"
+
+on:
+    pull_request:
+    push:
+        branches:
+            - "main"
+
+jobs:
+    typos:
+        name: "Check for typos"
+        runs-on: "ubuntu-latest"
+
+        steps:
+            - uses: actions/checkout@v4
+
+
+
+            - name: "Check for typos"
+              uses: "crate-ci/typos@v1.40.0"
+              with:
+                  config: .github/typos.toml
+                  files: "README.md src config rules tests rules-tests"
diff --git a/rules-tests/DowngradePhp72/Rector/FuncCall/DowngradePregUnmatchedAsNullConstantRector/Fixture/class_contant.php.inc b/rules-tests/DowngradePhp72/Rector/FuncCall/DowngradePregUnmatchedAsNullConstantRector/Fixture/class_constant.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp72/Rector/FuncCall/DowngradePregUnmatchedAsNullConstantRector/Fixture/class_contant.php.inc
rename to rules-tests/DowngradePhp72/Rector/FuncCall/DowngradePregUnmatchedAsNullConstantRector/Fixture/class_constant.php.inc
diff --git a/rules-tests/DowngradePhp73/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector/Fixture/in_stirng_variable.php.inc b/rules-tests/DowngradePhp73/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector/Fixture/in_string_variable.php.inc
similarity index 91%
rename from rules-tests/DowngradePhp73/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector/Fixture/in_stirng_variable.php.inc
rename to rules-tests/DowngradePhp73/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector/Fixture/in_string_variable.php.inc
index 7dc01645..ec7cae22 100644
--- a/rules-tests/DowngradePhp73/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector/Fixture/in_stirng_variable.php.inc
+++ b/rules-tests/DowngradePhp73/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector/Fixture/in_string_variable.php.inc
@@ -2,7 +2,7 @@
 
 namespace Rector\Tests\DowngradePhp73\Rector\FuncCall\DowngradeTrailingCommasInFunctionCallsRector\Fixture;
 
-class InStirngVariable
+class InStringVariable
 {
     public function run()
     {
@@ -16,7 +16,7 @@ class InStirngVariable
 
 namespace Rector\Tests\DowngradePhp73\Rector\FuncCall\DowngradeTrailingCommasInFunctionCallsRector\Fixture;
 
-class InStirngVariable
+class InStringVariable
 {
     public function run()
     {
diff --git a/rules-tests/DowngradePhp74/Rector/ClassMethod/DowngradeCovariantReturnTypeRector/Fixture/iterable.php.inc b/rules-tests/DowngradePhp74/Rector/ClassMethod/DowngradeCovariantReturnTypeRector/Fixture/iterable.php.inc
index 635cdfe9..768d7789 100644
--- a/rules-tests/DowngradePhp74/Rector/ClassMethod/DowngradeCovariantReturnTypeRector/Fixture/iterable.php.inc
+++ b/rules-tests/DowngradePhp74/Rector/ClassMethod/DowngradeCovariantReturnTypeRector/Fixture/iterable.php.inc
@@ -2,13 +2,13 @@
 
 namespace Rector\Tests\DowngradePhp74\Rector\ClassMethod\DowngradeCovariantReturnTypeRector\Fixture;
 
-class InterableA
+class IterableA
 {
     public function covariantReturnTypes(): iterable
     { /* … */ }
 }
 
-class InterableB extends InterableA
+class IterableB extends IterableA
 {
     public function covariantReturnTypes(): array
     { /* … */ }
@@ -20,13 +20,13 @@ class InterableB extends InterableA
 
 namespace Rector\Tests\DowngradePhp74\Rector\ClassMethod\DowngradeCovariantReturnTypeRector\Fixture;
 
-class InterableA
+class IterableA
 {
     public function covariantReturnTypes(): iterable
     { /* … */ }
 }
 
-class InterableB extends InterableA
+class IterableB extends IterableA
 {
     /**
      * @return mixed[]
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeSubstrFalsyRector/Fixture/skip_zero_offset_with_positive_length.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeSubstrFalsyRector/Fixture/skip_zero_offset_with_positive_length.php.inc
index cfead068..e4aca0d7 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeSubstrFalsyRector/Fixture/skip_zero_offset_with_positive_length.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeSubstrFalsyRector/Fixture/skip_zero_offset_with_positive_length.php.inc
@@ -3,7 +3,7 @@
 namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeSubstrFalsyRector\Fixture;
 
 /**
- * zero offset with postive length can't be false
+ * zero offset with positive length can't be false
  */
 class SkipZeroOffsetWithPositiveLength
 {
diff --git a/rules/DowngradePhp72/NodeAnalyzer/OverrideFromAnonymousClassMethodAnalyzer.php b/rules/DowngradePhp72/NodeAnalyzer/OverrideFromAnonymousClassMethodAnalyzer.php
index 85586da2..bd69cfac 100644
--- a/rules/DowngradePhp72/NodeAnalyzer/OverrideFromAnonymousClassMethodAnalyzer.php
+++ b/rules/DowngradePhp72/NodeAnalyzer/OverrideFromAnonymousClassMethodAnalyzer.php
@@ -25,7 +25,7 @@ public function __construct(
     ) {
     }
 
-    public function matchAncestorClassReflectionOverrideable(
+    public function matchAncestorClassReflectionOverridable(
         ClassLike $classLike,
         ClassMethod $classMethod
     ): ?ClassReflection {
diff --git a/rules/DowngradePhp72/Rector/ClassMethod/DowngradeParameterTypeWideningRector.php b/rules/DowngradePhp72/Rector/ClassMethod/DowngradeParameterTypeWideningRector.php
index 6aa01b34..53027791 100644
--- a/rules/DowngradePhp72/Rector/ClassMethod/DowngradeParameterTypeWideningRector.php
+++ b/rules/DowngradePhp72/Rector/ClassMethod/DowngradeParameterTypeWideningRector.php
@@ -101,7 +101,7 @@ public function refactor(Node $node): ?Node
         $hasChanged = false;
 
         foreach ($node->getMethods() as $method) {
-            $ancestorOverridableAnonymousClass = $this->overrideFromAnonymousClassMethodAnalyzer->matchAncestorClassReflectionOverrideable(
+            $ancestorOverridableAnonymousClass = $this->overrideFromAnonymousClassMethodAnalyzer->matchAncestorClassReflectionOverridable(
                 $node,
                 $method
             );
diff --git a/rules/DowngradePhp81/NodeFactory/ArrayMergeFromArraySpreadFactory.php b/rules/DowngradePhp81/NodeFactory/ArrayMergeFromArraySpreadFactory.php
index ce10386a..f2166018 100644
--- a/rules/DowngradePhp81/NodeFactory/ArrayMergeFromArraySpreadFactory.php
+++ b/rules/DowngradePhp81/NodeFactory/ArrayMergeFromArraySpreadFactory.php
@@ -28,7 +28,7 @@ public function __construct(
 
     public function createFromArray(Array_ $array, MutatingScope $mutatingScope): FuncCall
     {
-        $newArrayItems = $this->disolveArrayItems($array);
+        $newArrayItems = $this->dissolveArrayItems($array);
         return $this->createArrayMergeFuncCall($newArrayItems, $mutatingScope);
     }
 
@@ -40,7 +40,7 @@ public function createFromArray(Array_ $array, MutatingScope $mutatingScope): Fu
      *    to be added once the next spread is found, or at the end
      * @return ArrayItem[]
      */
-    private function disolveArrayItems(Array_ $array): array
+    private function dissolveArrayItems(Array_ $array): array
     {
         $newItems = [];