entomology vs zoology

entomology and zoology both are nouns.

Word	Noun	Adjective	Verb	Adverb
entomology	Yes	No	No	No
zoology	Yes	No	No	No

As nouns, zoology is a hypernym of entomology; that is, zoology is a word with a broader meaning than entomology:

Other hypernyms of entomology include zoological science.

entomology (noun)	zoology (noun)
the branch of zoology that studies insects	the branch of biology that studies animals
	all the animal life in a particular region or period