Groups of things distinguished by some common quality (5)

I believe the answer is:

sorts

(Other definitions for sorts that I've seen before include "Varieties" , "Orders" , "Categories" , "classes" , "Kinds" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.