leaf bug vs capsid

leaf bug and capsid both are nouns.

Word	Noun	Adjective	Verb	Adverb
leaf bug	Yes	No	No	No
capsid	Yes	No	No	No

As nouns, capsid is a hyponym of leaf bug; that is, capsid is a word with a more specific, narrower meaning than leaf bug:

Other hyponyms of leaf bug include mirid, mirid bug, lace bug.

leaf bug (noun)	capsid (noun)
small bright-colored insect that feeds on plant juices	the outer covering of protein surrounding the nucleic acid of a virus
	a variety of leaf bug