Linguistic humor, Three words in -gry, Hint

This should make the riddle easier to solve (as well as illustrating the importance of punctuation and formatting). Thanks to Sara Green!
Think of words ending in -gry. Angry and hungry are two of them.

There are only three words in the English language. What is the third word? The word refers to something that everybody uses every day. If you have listened carefully, I've already told you what it is.

Still stumped? Here's the answer.