vespid vs mason wasp

vespid and mason wasp both are nouns.

Word	Noun	Adjective	Verb	Adverb
vespid	Yes	No	No	No
mason wasp	Yes	No	No	No

As nouns, mason wasp is a hyponym of vespid; that is, mason wasp is a word with a more specific, narrower meaning than vespid:

vespid: mostly social nest-building wasps
mason wasp: any of various solitary wasps that construct nests of hardened mud for their young

Other hyponyms of vespid include paper wasp, hornet, common wasp, Vespula vulgaris, potter wasp.

vespid (noun)	mason wasp (noun)
mostly social nest-building wasps	any of various solitary wasps that construct nests of hardened mud for their young
	solitary wasp that constructs nests of hardened mud or clay for the young