There's at least one word that can follow GREEKS. Would anyone like a letter?
Nextone's post came in before seaglass's, so fealola, you were correct to pick it up from LATHE. Please continue from LATHER.
Wow!! I'm impressed that you came up with that one.
I'll take the easy out:
Herbalists
There's at least one word that can follow HERBALISTS. Anyone want a letter?