imago vs insect

imago and insect both are nouns.

Word	Noun	Adjective	Verb	Adverb
imago	Yes	No	No	No
insect	Yes	No	No	No

As nouns, insect is a hypernym of imago; that is, insect is a word with a broader meaning than imago:

imago (noun)	insect (noun)
an adult insect produced after metamorphosis	small air-breathing arthropod
(psychoanalysis) an idealized image of someone (usually a parent) formed in childhood	a person who has a nasty or unethical character undeserving of respect