spinster vs spinner

spinster and spinner both are nouns.

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

As nouns, spinster and spinner are synonyms defined as:

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

Other synonyms of spinster include thread maker.

spinster (noun)	spinner (noun)
an elderly unmarried woman	fisherman's lure; revolves when drawn through the water
someone who spins (who twists fibers into threads)	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)