diff --git a/README.md b/README.md
index 8e7cd12..3a6e7f7 100644
--- a/README.md
+++ b/README.md
@@ -45,25 +45,25 @@ $isReserved = $reservedWords->isReserved($word);
 /**
  * Checks that the word cannot be used as a constant name in your current php version.
  */
-$cannotUseAsConstantName = $reservedWords->cannotUseAsConstantName($word);
+$cannotUseAsConstantName = $reservedWords->isReservedConstantName($word);
 /**
  * Checks that the word cannot be used as a namespace part or class/interface/trait name in your current php version.
  */
-$cannotUseAsNamespaceName = $reservedWords->cannotUseAsNamespaceName($word);
+$cannotUseAsNamespaceName = $reservedWords->isReservedNamespaceName($word);
 /**
  * Checks that the word cannot be used as a function name in your current php version.
  */
-$cannotUseAsFunctionName = $reservedWords->cannotUseAsFunctionName($word);
+$cannotUseAsFunctionName = $reservedWords->isReservedFunctionName($word);
 /**
  * Checks that the word cannot be used as a method name in your current php version.
  */
-$cannotUseAsMethodName = $reservedWords->cannotUseAsMethodName($word);
+$cannotUseAsMethodName = $reservedWords->isReservedMethodName($word);
 
 /**
  * The following methods also accept a second parameter, to check against a PHP version different than your current runtime
  */
-$cannotUseAsConstantName = $reservedWords->cannotUseAsConstantName($word, '5.6');
-$cannotUseAsNamespaceName = $reservedWords->cannotUseAsNamespaceName($word, '5.6.1');
-$cannotUseAsFunctionName = $reservedWords->cannotUseAsFunctionName($word, '7.0');
-$cannotUseAsMethodName = $reservedWords->cannotUseAsMethodName($word, '7.4.2');
+$cannotUseAsConstantName = $reservedWords->isReservedConstantName($word, '5.6');
+$cannotUseAsNamespaceName = $reservedWords->isReservedNamespaceName($word, '5.6.1');
+$cannotUseAsFunctionName = $reservedWords->isReservedFunctionName($word, '7.0');
+$cannotUseAsMethodName = $reservedWords->isReservedMethodName($word, '7.4.2');
 ```
diff --git a/src/ReservedWords.php b/src/ReservedWords.php
index f7ae958..0d5a285 100644
--- a/src/ReservedWords.php
+++ b/src/ReservedWords.php
@@ -45,7 +45,7 @@ public function isReserved(string $string) : bool
     /**
      * Checks that the word cannot be used as a constant name
      */
-    public function cannotUseAsConstantName(string $string, ?string $phpVersion = null) : bool
+    public function isReservedConstantName(string $string, ?string $phpVersion = null) : bool
     {
         return $this->isReservedAs($string, 'constant', $phpVersion);
     }
@@ -53,7 +53,7 @@ public function cannotUseAsConstantName(string $string, ?string $phpVersion = nu
     /**
      * Checks that the word cannot be used as a namespace part or class/interface/trait name
      */
-    public function cannotUseAsNamespaceName(string $string, ?string $phpVersion = null) : bool
+    public function isReservedNamespaceName(string $string, ?string $phpVersion = null) : bool
     {
         return $this->isReservedAs($string, 'namespace', $phpVersion);
     }
@@ -61,7 +61,7 @@ public function cannotUseAsNamespaceName(string $string, ?string $phpVersion = n
     /**
      * Checks that the word cannot be used as a function name
      */
-    public function cannotUseAsFunctionName(string $string, ?string $phpVersion = null) : bool
+    public function isReservedFunctionName(string $string, ?string $phpVersion = null) : bool
     {
         return $this->isReservedAs($string, 'function', $phpVersion);
     }
@@ -69,7 +69,7 @@ public function cannotUseAsFunctionName(string $string, ?string $phpVersion = nu
     /**
      * Checks that the word cannot be used as a method name
      */
-    public function cannotUseAsMethodName(string $string, ?string $phpVersion = null) : bool
+    public function isReservedMethodName(string $string, ?string $phpVersion = null) : bool
     {
         return $this->isReservedAs($string, 'method', $phpVersion);
     }
diff --git a/tests/ReservedWordsTest.php b/tests/ReservedWordsTest.php
index 96b909f..1e9239e 100644
--- a/tests/ReservedWordsTest.php
+++ b/tests/ReservedWordsTest.php
@@ -49,7 +49,7 @@ public function testConstantName(
     ) : void {
         $reservedWords = new ReservedWords([$reservedWord => $reservedWordParameters]);
 
-        $this->assertEquals($isReserved, $reservedWords->cannotUseAsConstantName($reservedWord, $phpVersion));
+        $this->assertEquals($isReserved, $reservedWords->isReservedConstantName($reservedWord, $phpVersion));
     }
 
     /**
@@ -65,7 +65,7 @@ public function testNamespaceName(
     ) : void {
         $reservedWords = new ReservedWords([$reservedWord => $reservedWordParameters]);
 
-        $this->assertEquals($isReserved, $reservedWords->cannotUseAsNamespaceName($reservedWord, $phpVersion));
+        $this->assertEquals($isReserved, $reservedWords->isReservedNamespaceName($reservedWord, $phpVersion));
     }
 
     /**
@@ -81,7 +81,7 @@ public function testFunctionName(
     ) : void {
         $reservedWords = new ReservedWords([$reservedWord => $reservedWordParameters]);
 
-        $this->assertEquals($isReserved, $reservedWords->cannotUseAsFunctionName($reservedWord, $phpVersion));
+        $this->assertEquals($isReserved, $reservedWords->isReservedFunctionName($reservedWord, $phpVersion));
     }
 
     /**
@@ -97,7 +97,7 @@ public function testMethodName(
     ) : void {
         $reservedWords = new ReservedWords([$reservedWord => $reservedWordParameters]);
 
-        $this->assertEquals($isReserved, $reservedWords->cannotUseAsMethodName($reservedWord, $phpVersion));
+        $this->assertEquals($isReserved, $reservedWords->isReservedMethodName($reservedWord, $phpVersion));
     }
 
     /**