diff --git a/08-isAnagram/index.js b/08-isAnagram/index.js
index 918308a..4648e7b 100644
--- a/08-isAnagram/index.js
+++ b/08-isAnagram/index.js
@@ -1,4 +1,18 @@
 export function isAnagram(word1, word2) {
   // implementar logica aqui
-  
-}
\ No newline at end of file
+  if (!word1 || !word2) return { error: 'Not Found Words' };
+
+  function toLowerCase(word) {
+    return word.toLowerCase();
+  }
+
+  function toSortWord(word) {
+    return word.split('').sort().join('');
+  }
+
+  function toAnalyzing(word){
+    return toSortWord(toLowerCase(word))    
+  }
+
+  return toAnalyzing(word1) === toAnalyzing(word2)
+}