diff --git a/benchmark/benchmark.dart b/benchmark/benchmark.dart
index 85c9b37..71f3c3f 100644
--- a/benchmark/benchmark.dart
+++ b/benchmark/benchmark.dart
@@ -1,5 +1,7 @@
-import './search/word_search.dart';
+import './search/english_word_search.dart';
+import './search/japanese_word_search.dart';
 
 Future<void> main() async {
-  await WordSearchBenchmark.main();
+  await EnglishWordSearchBenchmark.main();
+  await JapaneseWordSearchBenchmark.main();
 }
diff --git a/benchmark/search/word_search.dart b/benchmark/search/english_word_search.dart
similarity index 59%
rename from benchmark/search/word_search.dart
rename to benchmark/search/english_word_search.dart
index a0e045a..cccbf24 100644
--- a/benchmark/search/word_search.dart
+++ b/benchmark/search/english_word_search.dart
@@ -4,23 +4,23 @@ import 'package:sqflite_common/sqlite_api.dart';
 
 import '../../test/search/setup_database_connection.dart';
 
-class WordSearchBenchmark extends AsyncBenchmarkBase {
+class EnglishWordSearchBenchmark extends AsyncBenchmarkBase {
   Database? connection;
 
   static final List<String> searchTerms = [
     'kana',
     'kanji',
-    'kawaii',
+    'cute',
     'sushi',
     'ramen',
   ];
 
-  WordSearchBenchmark() : super('WordSearchBenchmark');
+  EnglishWordSearchBenchmark() : super('EnglishWordSearchBenchmark');
 
   static Future<void> main() async {
-    print('Running WordSearchBenchmark...');
-    await WordSearchBenchmark().report();
-    print('Finished WordSearchBenchmark');
+    print('Running EnglishWordSearchBenchmark...');
+    await EnglishWordSearchBenchmark().report();
+    print('Finished EnglishWordSearchBenchmark');
   }
 
   @override
@@ -31,7 +31,11 @@ class WordSearchBenchmark extends AsyncBenchmarkBase {
   @override
   Future<void> run() async {
     for (final term in searchTerms) {
-      await connection!.jadbSearchWord(term);
+      final result = await connection!.jadbSearchWord(term);
+      assert(
+        result?.isNotEmpty ?? false,
+        'Expected search results for term "$term"',
+      );
     }
   }
 
diff --git a/benchmark/search/japanese_word_search.dart b/benchmark/search/japanese_word_search.dart
new file mode 100644
index 0000000..6511c57
--- /dev/null
+++ b/benchmark/search/japanese_word_search.dart
@@ -0,0 +1,49 @@
+import 'package:benchmark_harness/benchmark_harness.dart';
+import 'package:jadb/search.dart';
+import 'package:sqflite_common/sqlite_api.dart';
+
+import '../../test/search/setup_database_connection.dart';
+
+class JapaneseWordSearchBenchmark extends AsyncBenchmarkBase {
+  Database? connection;
+
+  static final List<String> searchTerms = [
+    '仮名',
+    '漢字',
+    'かわいい',
+    'すし',
+    'ラメン',
+  ];
+
+  JapaneseWordSearchBenchmark() : super('JapaneseWordSearchBenchmark');
+
+  static Future<void> main() async {
+    print('Running JapaneseWordSearchBenchmark...');
+    await JapaneseWordSearchBenchmark().report();
+    print('Finished JapaneseWordSearchBenchmark');
+  }
+
+  @override
+  Future<void> setup() async {
+    connection = await setupDatabaseConnection();
+  }
+
+  @override
+  Future<void> run() async {
+    for (final term in searchTerms) {
+      final result = await connection!.jadbSearchWord(term);
+      assert(
+        result?.isNotEmpty ?? false,
+        'Expected search results for term "$term"',
+      );
+    }
+  }
+
+  @override
+  Future<void> teardown() async {
+    await connection?.close();
+  }
+
+  // @override
+  // Future<void> exercise() => run();
+}