Free SH Sound Medial Words Flashcards Worksheet PDF. Printable flashcards featuring words with the medial “SH” sound can be a useful tool for improving pronunciation and vocabulary. Some of the words in this flashcards worksheet are:- Mushrooms, Fishbowl, Horseshoes, Spaceship, Flashcards, Cashews, Hashbrowns, Pushups, Trashcan, Pushing, Flashlight, Cashier, Washstand, Radishes, Washer, Dishtowel