Как по-английски множественное число слов university, thief, day, sky, ski, taxi, party, key, story, vay, tragedy, language, leaf, comedy.

University - universities, thief - thieves, day - days, sky - skies, ski - skis, taxi - taxis, party - parties, key - keys, story - stories, way - ways, tragedy - tragedies, language - languages, leaf - leaves, comedy - comedies