tineoid vs gracilariid

tineoid and gracilariid both are nouns.

Word	Noun	Adjective	Verb	Adverb
tineoid	Yes	No	No	No
gracilariid	Yes	No	No	No

As nouns, gracilariid is a hyponym of tineoid; that is, gracilariid is a word with a more specific, narrower meaning than tineoid:

tineoid: small dull-colored moth with chewing mouthparts
gracilariid: small dull or metallic-colored tineoid moths whose larvae mine in plant leaves

Other hyponyms of tineoid include tineid, tineid moth, gracilariid moth.

tineoid (noun)	gracilariid (noun)
small dull-colored moth with chewing mouthparts	small dull or metallic-colored tineoid moths whose larvae mine in plant leaves