spinner vs spinster

spinner and spinster both are nouns.

Word	Noun	Adjective	Verb	Adverb
spinner	Yes	No	No	No
spinster	Yes	No	No	No

As nouns, spinner and spinster are synonyms defined as:

spinner and spinster: someone who spins (who twists fibers into threads)

Other synonyms of spinner include thread maker.

spinner (noun)	spinster (noun)
fisherman's lure; revolves when drawn through the water	an elderly unmarried woman
board game equipment that consists of a dial and an arrow that is spun to determine the next move in the game	someone who spins (who twists fibers into threads)
someone who spins (who twists fibers into threads)