spinster vs thread maker

spinster and thread maker both are nouns.

Word	Noun	Adjective	Verb	Adverb
spinster	Yes	No	No	No
thread maker	Yes	No	No	No

As nouns, spinster and thread maker are synonyms defined as:

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

Other synonyms of spinster include spinner.

spinster (noun)	thread maker (noun)
an elderly unmarried woman	someone who spins (who twists fibers into threads)
someone who spins (who twists fibers into threads)