diff --git a/rules/chn/chn-tilde.js b/rules/chn/chn-tilde.js
new file mode 100644
index 00000000..b0964c99
--- /dev/null
+++ b/rules/chn/chn-tilde.js
@@ -0,0 +1,27 @@
+( function ( $ ) {
+	'use strict';
+
+	var chnTilde = {
+		id: 'chn-tilde',
+		name: 'chn-tilde',
+		description: 'Chinook Jargon input keyboard - tilde',
+		date: '2024-02-07',
+		URL: 'https://github.com/wikimedia/jquery.ime',
+		author: 'Amir E. Aharoni',
+		license: 'GPLv3',
+		version: '1.0',
+		patterns: [
+			[ '~E', 'Ə' ],
+			[ '~e', 'ə' ],
+			[ '~h', 'ʰ' ],
+			[ '~H', 'ʰ' ],
+			[ '~L', 'Ɬ' ],
+			[ '~l', 'ɬ' ],
+			[ '~X', 'X̣' ],
+			[ '~x', 'x̣' ],
+			[ '~\\?', 'ʔ' ]
+		]
+	};
+
+	$.ime.register( chnTilde );
+}( jQuery ) );
diff --git a/src/jquery.ime.inputmethods.js b/src/jquery.ime.inputmethods.js
index 6f73677e..e8abb4c7 100755
--- a/src/jquery.ime.inputmethods.js
+++ b/src/jquery.ime.inputmethods.js
@@ -168,6 +168,10 @@
 			name: 'ብሊን',
 			source: 'rules/byn/byn-geezim.js'
 		},
+		'chn-tilde': {
+			name: 'Chinook wawa tilde',
+			source: 'rules/chn/chn-tilde.js'
+		},
 		'chr': {
 			name: 'Cherokee Transliteration',
 			source: 'rules/chr/chr.js'
@@ -1090,6 +1094,10 @@
 			autonym: 'нохчийн',
 			inputmethods: [ 'cyrl-palochka' ]
 		},
+		chn: {
+			autonym: 'chinook wawa',
+			inputmethods: [ 'chn-tilde' ]
+		},
 		chr: {
 			autonym: 'ᏣᎳᎩ',
 			inputmethods: [ 'chr' ]
@@ -1387,7 +1395,7 @@
 			inputmethods: [ 'mni-inscript2' ]
 		},
 		mnw: {
-			autonym: 'ဘာသာ မန်',
+			autonym: 'ဘာသာမန်',
 			inputmethods: [ 'mnw-simplified-anonta' ]
 		},
 		mos: {
diff --git a/test/jquery.ime.test.fixtures.js b/test/jquery.ime.test.fixtures.js
index ef052a77..59522fbe 100644
--- a/test/jquery.ime.test.fixtures.js
+++ b/test/jquery.ime.test.fixtures.js
@@ -869,6 +869,13 @@ var palochkaVariants = {
 			{ input: 'Gi', output: 'ጚ', description: 'Blin Gi -> ጚ' }
 		]
 	},
+	{
+		description: 'Chinook Jargon tilde test',
+		inputmethod: 'chn-tilde',
+		tests: [
+			{ input: '~E~e~H~h~L~l~X~x~?', output: 'ƏəʰʰꞭɬX̣x̣ʔ', description: 'Chinook Jargon ƏəʰʰꞭɬX̣x̣ʔ' }
+		]
+	},
 	{
 		description: 'Cherokee transliteration test',
 		inputmethod: 'chr',