This page explains homophones (words that sound alike, but have different spellings and meanings) and provides the most common examples.

In this learning module, students will distinguish among words that are homophones, homographs, and homophones. A video lesson and reinforcement worksheets are provided. This module is designed to support all students via hands-on...

Everything you wanted to know about homonyms and a list.

This is great site where you can learn about puns and have fun as well. There is a "Pun of the Day" and a "Pun Search" to find phrases with specific words.