Question

which is the smallest word doesn't contain any vowel ?​

Answer 1

The longest words that contain no vowel including 'y' are crwth (a Celtic stringed instrument) and cwtch (a shed, cuddle, or hiding place). Both of these words are Welsh and treat the letter 'w' as a vowel.

Answer 2

There are many words :

★ Gym
★ Spy
★Sky
★ Hymn
★ why