keywords_maker
https://pub.dev/packages/keywords_maker
About plugin
By using this plugin in flutter dart you can generate keys words for any word. And also you will be able to generate keywords without case sensitive .that means any uppercase or lowercase character can be entered.
Example

Getting Started
Plugin usage
Add to your pubspec.yaml in the dependencies section:
keywords_maker: latest-version
Get packages with command:
flutter packages get
Import:
import 'package:keywords_maker/keywords_maker.dart';
Functions
Keywords without case sensitive:
List<String> result = Keywords.makeKeywordsFromWord(word);
Lower Case Keywords:
List<String> result = Keywords.makeKeywordsFromWordLowerCase(word);
Upper Case Keywords:
List<String> result = Keywords.makeKeywordsFromWordUpperCase(word);