diff --git a/web/src/components/Suggestion.tsx b/web/src/components/Suggestion.tsx
index da51b70..b016792 100644
--- a/web/src/components/Suggestion.tsx
+++ b/web/src/components/Suggestion.tsx
@@ -7,6 +7,7 @@ import {TiArrowSync} from 'react-icons/ti';
 import {capitalize, stem, germanify, njoin, lower, upper} from '../util/text';
 import {sampleFromArray, fillArray} from '../util/array';
 import {mobile} from '../util/css';
+import {sanitize} from '../util/text';
 
 type Modifier = (word: string) => string;
 
@@ -141,7 +142,9 @@ async function findSynonyms(word: string): Promise<string[]> {
           [] as string[],
         ),
       ),
-    ).filter((word) => !/[\s-]/.exec(word));
+    )
+      .filter((word) => !/[\s-]/.exec(word))
+      .map((word) => sanitize(word));
     return synonyms;
   } catch (err) {
     return [];
diff --git a/web/src/util/text.ts b/web/src/util/text.ts
index ce11c85..b965e50 100644
--- a/web/src/util/text.ts
+++ b/web/src/util/text.ts
@@ -4,7 +4,10 @@ export function capitalize(text: string): string {
 }
 
 export function sanitize(text: string): string {
-  return text.replace(/[\s@+!#$%^&*()[\]./<>{}]/g, '');
+  return text
+    .replace(/[\s@+!#$%^&*()[\]./<>{}]/g, '')
+    .normalize('NFD')
+    .replace(/[\u0300-\u036f]/g, '');
 }
 
 export function upper(word: string): string {