needleworker vs knitter

needleworker and knitter both are nouns.

Word	Noun	Adjective	Verb	Adverb
needleworker	Yes	No	No	No
knitter	Yes	No	No	No

As nouns, knitter is a hyponym of needleworker; that is, knitter is a word with a more specific, narrower meaning than needleworker:

needleworker: someone who does work (as sewing or embroidery) with a needle
knitter: someone who makes garments (or fabrics) by intertwining yarn or thread

Other hyponyms of needleworker include edger, embroiderer, dressmaker, garment-worker, garment worker, garmentmaker, sewer.

needleworker (noun)	knitter (noun)
someone who does work (as sewing or embroidery) with a needle	someone who makes garments (or fabrics) by intertwining yarn or thread