hollow vs wormhole

hollow and wormhole both are nouns.

Word	Noun	Adjective	Verb	Adverb
hollow	Yes	Yes	Yes	No
wormhole	Yes	No	No	No

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

hollow (noun)	wormhole (noun)
a depression hollowed out of solid matter	hole made by a burrowing worm
a small valley between mountains
a cavity or space in something

hollow (adjective)	wormhole (adjective)
not solid; having a space or gap or cavity
lacking in substance or character
devoid of significance or force
as if echoing in a hollow space

hollow (verb)	wormhole (verb)
remove the interior of
remove the inner part or the core of