chimney swallow vs swift

chimney swallow and swift both are nouns.

Word	Noun	Adjective	Verb	Adverb
chimney swallow	Yes	No	No	No
swift	Yes	Yes	No	No

As nouns, swift is a hypernym of chimney swallow; that is, swift is a word with a broader meaning than chimney swallow:

chimney swallow: American swift that nests in e.g. unused chimneys
swift: a small bird that resembles a swallow and is noted for its rapid flight

chimney swallow (noun)	swift (noun)
common swallow of North America and Europe that nests in barns etc.	a small bird that resembles a swallow and is noted for its rapid flight
American swift that nests in e.g. unused chimneys	common western lizard; seen on logs or rocks

chimney swallow (adjective)	swift (adjective)
	moving very fast