stitcher vs garmentmaker

stitcher and garmentmaker both are nouns.

Word	Noun	Adjective	Verb	Adverb
stitcher	Yes	No	No	No
garmentmaker	Yes	No	No	No

As nouns, garmentmaker is a hypernym of stitcher; that is, garmentmaker is a word with a broader meaning than stitcher:

Other hypernyms of stitcher include finisher, dressmaker, garment-worker, garment worker.

stitcher (noun)	garmentmaker (noun)
a garmentmaker who performs the finishing steps	a person who makes garments