diff --git a/src/game.rs b/src/game.rs
index a45dda5..827c5c5 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -229,4 +229,10 @@ impl Game {
 
     }
 
+    pub fn add_word(&mut self, word: String) {
+        let word = word.to_uppercase();
+
+        self.dictionary.insert(word, -1.0);
+    }
+
 }
\ No newline at end of file
diff --git a/src/wasm.rs b/src/wasm.rs
index 40c3b8e..cc42b0a 100644
--- a/src/wasm.rs
+++ b/src/wasm.rs
@@ -126,5 +126,9 @@ impl GameWasm {
 
     }
 
+    pub fn add_word(&mut self, word: String) {
+        self.0.add_word(word);
+    }
+
 
 }
\ No newline at end of file
diff --git a/ui/src/Game.tsx b/ui/src/Game.tsx
index fc17b7b..b3fce4c 100644
--- a/ui/src/Game.tsx
+++ b/ui/src/Game.tsx
@@ -124,6 +124,11 @@ export function Game(props: {wasm: GameWasm, settings: Settings}) {
 
     }
 
+    function addWordFn(word: string) {
+        props.wasm.add_word(word);
+        logDispatch(<div><em>{word} was added to dictionary.</em></div>);
+    }
+
 
     return <>
         <TileExchangeModal
@@ -168,7 +173,15 @@ export function Game(props: {wasm: GameWasm, settings: Settings}) {
             console.log({result});
 
             if(result.response_type === "ERR") {
-                logDispatch(<div><em>{(result.value as string)}</em></div>);
+                const message = result.value as string;
+                if (message.endsWith("is not a valid word")) {
+                    // extract out word
+                    const word = message.split(" ")[0];
+                    logDispatch(<div><em>{message}</em><AddWordButton word={word} addWordFn={addWordFn} /></div>);
+                } else {
+                    logDispatch(<div><em>{message}</em></div>);
+                }
+
             } else {
 
                 let total_points = 0;
@@ -202,5 +215,17 @@ export function Game(props: {wasm: GameWasm, settings: Settings}) {
         }}>Return Tiles</button>
     </>;
 
-
 }
+
+function AddWordButton(props: {word: string, addWordFn: (x: string) => void}) {
+    const [isClicked, setIsClicked] = useState<boolean>(false);
+
+    return <button
+        disabled={isClicked}
+        onClick={() => {
+            setIsClicked(true);
+            props.addWordFn(props.word);
+    }}>
+        Add to dictionary
+    </button>
+}
\ No newline at end of file