diff --git a/src/misc/nyaize.ts b/src/misc/nyaize.ts
index 6ee3b6847..500d1db2c 100644
--- a/src/misc/nyaize.ts
+++ b/src/misc/nyaize.ts
@@ -3,7 +3,9 @@ export function nyaize(text: string): string {
 		// ja-JP
 		.replace(/な/g, 'にゃ').replace(/ナ/g, 'ニャ').replace(/ﾅ/g, 'ﾆｬ')
 		// en-US
-		.replace(/morning/gi, 'mornyan').replace(/everyone/gi, 'everynyan')
+		.replace(/(?<=n)a/gi, x => x === 'A' ? 'YA' : 'ya')
+		.replace(/(?<=morn)ing/gi, x => x === 'ING' ? 'YAN' : 'yan')
+		.replace(/(?<=every)one/gi, x => x === 'ONE' ? 'NYAN' : 'nyan')
 		// ko-KR
 		.replace(/[나-낳]/g, match => String.fromCharCode(
 			match.charCodeAt(0)! + '냐'.charCodeAt(0) - '나'.charCodeAt(0)