gathering vs stitchery

gathering and stitchery both are nouns.

Word	Noun	Adjective	Verb	Adverb
gathering	Yes	No	No	No
stitchery	Yes	No	No	No

As nouns, stitchery is a hypernym of gathering; that is, stitchery is a word with a broader meaning than gathering:

gathering: sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching
stitchery: needlework on which you are working with needle and thread

Other hypernyms of gathering include sewing.

gathering (noun)	stitchery (noun)
the social act of assembling	needlework on which you are working with needle and thread
the act of gathering something
sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching
a group of persons together in one place