hummingbird moth vs hawk moth

hummingbird moth and hawk moth both are nouns.

Word	Noun	Adjective	Verb	Adverb
hummingbird moth	Yes	No	No	No
hawk moth	Yes	No	No	No

As nouns, hummingbird moth and hawk moth are synonyms defined as:

hummingbird moth and hawk moth: any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed

Other synonyms of hummingbird moth include hawkmoth, sphingid, sphinx moth.

hummingbird moth (noun)	hawk moth (noun)
any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed	any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed