Nook's kin (6)

I believe the answer is:

cranny

(Other definitions for cranny that I've seen before include "Small opening or crevice" , "Small narrow space" , "Crevice, goes with nook" , "Small rock fissure" , "Crack" .)

I've seen this clue in The Wall Street Journal.

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.