You can limit the “Post Title” by word or character count using the Post Grid Combo plugin. This article will help you to limit the “Post Title” by word count or character count.
To begin, insert a “Post Title” block.
Click on the “Post Title” tab.
Choose “Word” or “Character” from “Limit By” to limit them.
Now enter the value of the word or character you want to show on the post title.
You can use this method to set a word or character limit.