- hurry hurried marry marriage
happy happily fury furious
easy easier merry merriment
Generally, nouns and verbs that end in -y have plural or third person singular forms in -ies.
- story stories hurry hurries spy spies
- try trying Tory Toryism baby babyish
- buy buying play played enjoy enjoyment grey greyish
Exceptions: say said lay laid pay paid
- die dying lie lying.