diff --git a/src/main/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic.java b/src/main/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic.java
index f69408ce566..2c5e80f163b 100644
--- a/src/main/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic.java
+++ b/src/main/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic.java
@@ -111,6 +111,10 @@ public class TypoDiagnostic extends AbstractDiagnostic {
     type = String.class
   )
   private String userWordsToIgnore = DEFAULT_USER_WORDS_TO_IGNORE;
+  @DiagnosticParameter(
+    type = Boolean.class
+  )
+  private Boolean caseInsensitive = false;
 
   @Override
   public void configure(Map<String, Object> configuration) {
@@ -118,15 +122,19 @@ public void configure(Map<String, Object> configuration) {
     minWordLength = Math.max(minWordLength, DEFAULT_MIN_WORD_LENGTH);
   }
 
-  private Set<String> getWordsToIgnore() {
+  private List<String> getWordsToIgnore() {
     var delimiter = ",";
     String exceptions = SPACES_PATTERN.matcher(info.getResourceString("diagnosticExceptions")).replaceAll("");
     if (!userWordsToIgnore.isEmpty()) {
       exceptions = exceptions + delimiter + SPACES_PATTERN.matcher(userWordsToIgnore).replaceAll("");
     }
 
+    if (caseInsensitive) {
+      exceptions = exceptions.toLowerCase();
+    }
+
     return Arrays.stream(exceptions.split(delimiter))
-      .collect(Collectors.toSet());
+      .collect(Collectors.toList());
   }
 
   private static JLanguageTool acquireLanguageTool(String lang) {
@@ -140,7 +148,7 @@ private static void releaseLanguageTool(String lang, JLanguageTool languageTool)
   private Map<String, List<Token>> getTokensMap(
     DocumentContext documentContext
   ) {
-    Set<String> wordsToIgnore = getWordsToIgnore();
+    List<String> wordsToIgnore = getWordsToIgnore();
     Map<String, List<Token>> tokensMap = new HashMap<>();
 
     Trees.findAllRuleNodes(documentContext.getAst(), rulesToFind).stream()
@@ -150,12 +158,14 @@ private Map<String, List<Token>> getTokensMap(
       .filter(token -> !FORMAT_STRING_PATTERN.matcher(token.getText()).find())
       .forEach((Token token) -> {
           String curText = QUOTE_PATTERN.matcher(token.getText()).replaceAll("").trim();
-          String[] camelCaseSplitedWords = StringUtils.splitByCharacterTypeCamelCase(curText);
+          String[] camelCaseSplitWords = StringUtils.splitByCharacterTypeCamelCase(curText);
 
-          Arrays.stream(camelCaseSplitedWords)
+          Arrays.stream(camelCaseSplitWords)
             .filter(Predicate.not(String::isBlank))
             .filter(element -> element.length() >= minWordLength)
-            .filter(Predicate.not(wordsToIgnore::contains))
+            .filter(element -> wordsToIgnore.stream().noneMatch(word
+                -> (caseInsensitive && word.equalsIgnoreCase(element))
+                || (!caseInsensitive && word.equals(element))))
             .forEach(element -> tokensMap.computeIfAbsent(element, newElement -> new ArrayList<>()).add(token));
         }
       );
diff --git a/src/main/resources/com/github/_1c_syntax/bsl/languageserver/configuration/parameters-schema.json b/src/main/resources/com/github/_1c_syntax/bsl/languageserver/configuration/parameters-schema.json
index 7eb26253098..a2c070211a8 100644
--- a/src/main/resources/com/github/_1c_syntax/bsl/languageserver/configuration/parameters-schema.json
+++ b/src/main/resources/com/github/_1c_syntax/bsl/languageserver/configuration/parameters-schema.json
@@ -1766,6 +1766,12 @@
                     "default": 3,
                     "type": "integer",
                     "title": "Minimum length for checked words"
+                },
+                "caseInsensitive": {
+                    "description": "Excluded words are case-insensitive",
+                    "default": false,
+                    "type": "boolean",
+                    "title": "Excluded words are case-insensitive"
                 }
             },
             "$id": "#/definitions/Typo"
diff --git a/src/main/resources/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic_en.properties b/src/main/resources/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic_en.properties
index 9b511ea6574..a992d977da6 100644
--- a/src/main/resources/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic_en.properties
+++ b/src/main/resources/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic_en.properties
@@ -7,4 +7,5 @@ diagnosticExceptions=Str,Autotest,Infobase,Enums,Len,Desc,Asc,Overridable,GUID,E
   Sys,Saas,www,yyyy,xsl,src,deserialization,Params,Archiver,Serializer,xsi,ico,epf,cfu,txt,htm,rtf,ppt,vsd,mpp,mdb,msg,rar,exe,grs,geo,jpg,bmp,\
   tif,gif,png,pdf,odt,odf,odp,odg,ods,erf,docx,xlsx,pptx,utf,xsd,SRVR,saas,wsdl,Apdex,APDEX,uid,XLS,XLSX,html,TXT,ODT,Addin,DIB
 minWordLength=Minimum length for checked words
-userWordsToIgnore=Dictionary for excluding words (comma separated)
\ No newline at end of file
+userWordsToIgnore=Dictionary for excluding words (comma separated)
+caseInsensitive=Excluded words are case-insensitive
\ No newline at end of file
diff --git a/src/main/resources/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic_ru.properties b/src/main/resources/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic_ru.properties
index 205541fd218..49b0ea4cca7 100644
--- a/src/main/resources/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic_ru.properties
+++ b/src/main/resources/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnostic_ru.properties
@@ -15,4 +15,5 @@ diagnosticExceptions=Автогенерируемых,Автогруппиров
   ,Студотряде,Субконто,Таб,Техподдержки,Токене,Транслите,Тэги,Тэгов,Убыв,Физлица,Финализировать,Фич,Хэш,Штрихкодам\
   ,Штрихкодом,Штрихкоду,Мдд,Чммсс
 minWordLength=Минимальная длина проверяемых слов
-userWordsToIgnore=Пользовательский словарь исключений (через запятую)
\ No newline at end of file
+userWordsToIgnore=Пользовательский словарь исключений (через запятую)
+caseInsensitive=Не учитывать регистр в словаре исключений
\ No newline at end of file
diff --git a/src/test/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnosticTest.java b/src/test/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnosticTest.java
index 103b99712d7..2c43b6e8801 100644
--- a/src/test/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnosticTest.java
+++ b/src/test/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/TypoDiagnosticTest.java
@@ -83,6 +83,22 @@ void testConfigureUserWordsToIgnore() {
       .hasRange(8, 13, 8, 18);
   }
 
+  @Test
+  void testConfigureUserWordsToIgnoreCaseInsensitive() {
+
+    Map<String, Object> configuration = diagnosticInstance.getInfo().getDefaultConfiguration();
+    configuration.put("userWordsToIgnore", "ваРинаты");
+    configuration.put("caseInsensitive", true);
+    diagnosticInstance.configure(configuration);
+
+    List<Diagnostic> diagnostics = getDiagnostics();
+
+    assertThat(diagnostics).hasSize(2);
+    assertThat(diagnostics, true)
+      .hasRange(1, 13, 1, 21)
+      .hasRange(8, 13, 8, 18);
+  }
+
   @Test
   void testConfigureUserWordsToIgnoreWithSpaces() {
 
diff --git a/src/test/resources/diagnostics/TypoDiagnostic.bsl b/src/test/resources/diagnostics/TypoDiagnostic.bsl
index ef1dd49ddf5..26916bab281 100644
--- a/src/test/resources/diagnostics/TypoDiagnostic.bsl
+++ b/src/test/resources/diagnostics/TypoDiagnostic.bsl
@@ -8,4 +8,5 @@
     Возврат;
     Сообщить("ыть");      // срабатывание здесь
     ДеньНедели = Формат(ДатаКолонки, "ДФ=ддд"); // Нет срабатывания. Форматная строка
+    ЗапроситьДанныеОКВЭДФССВТранзакции = Истина; // Нет срабатывания. Аббревиатура
 КонецФункции
\ No newline at end of file