Free Y Sound Medial Words Flashcards Worksheet PDF. Printable flashcards featuring words with the medial “Y” sound can be a useful tool for improving pronunciation and vocabulary. Some of the words in this flashcards worksheet are:- Onion, Canyon, Diary, Giant, Lioness, Flying, Family, Foyer, Nylon, Skyline, Pyrite, Hygienic, Kayak, Dryer, Skydiving, Typhoon