Words containing only y as the vowel Such rhythm myth spy.?

You're absolutely right! You've listed a few words that fit that pattern perfectly. Let's see if we can find some more:

Words with "y" as the only vowel:

* Cry

* Fly

* Dry

* Shy

* Try

* Sky

* Spy

* Wry

* Thy (archaic, but still valid)

Note: While words like "rhythm" and "myth" have "y" as a vowel sound, they technically have a different vowel in their spelling, so they don't fit this specific pattern.