This plugin allows you to quickly and simply display the number of words in any of the post on your WordPress website by simply adding a template tag into you theme.

Simple Post Word Count

A simple plugin to show the number of words in a post.

Crish

This plug-in allows you replace any word from site without edit code and without having any knowledge of development or HTML. 
Also you can replace word with anchor tag with custom link added from admin settings.
We have added new feature same as anchor tag , now you can add heading tag also to the word using replace from admin side.
Here is some example:
If you want to replace word “Hi” with “Hello”. just add both word in place of Find box and Replace Box.

Replace Word

Set up Replace Word run after page load, but alter it before display to user's browser.

Simple Post Word Count vs Replace Word