gall wasp vs wasp

gall wasp and wasp both are nouns.

Word	Noun	Adjective	Verb	Adverb
gall wasp	Yes	No	No	No
wasp	Yes	No	No	No

As nouns, wasp is a hypernym of gall wasp; that is, wasp is a word with a broader meaning than gall wasp:

gall wasp: small solitary wasp that produces galls on oaks and other plants
wasp: social or solitary hymenopterans typically having a slender body with the abdomen attached by a narrow stalk and having a formidable sting

gall wasp (noun)	wasp (noun)
small solitary wasp that produces galls on oaks and other plants	social or solitary hymenopterans typically having a slender body with the abdomen attached by a narrow stalk and having a formidable sting