Words that End in Gry

The puzzle is essentially this: There are three English words ending in "-gry". Two are "angry" and "hungry". What is the third one?

There is no other common word ending in "-gry", so how did the puzzle come about? It first appeared in print in 1975.

Perhaps the answer to the original version of the puzzle was meagry or aggry (as in "aggry bead"). There are over 100 obsolete words that end in "-gry" (see below), and these two were in use until fairly recently. However, since there is no longer a real answer to this, modern versions of the puzzle have turned from being puzzles to being riddles. There are perhaps as many as a dozen versions in circulation - each with a different answer!