dwell vs nest

dwell is not a noun while nest is a noun.

Word	Noun	Adjective	Verb	Adverb
dwell	No	No	Yes	No
nest	Yes	No	Yes	No

As verbs, nest is a hyponym of dwell; that is, nest is a word with a more specific, narrower meaning than dwell:

dwell (noun)	nest (noun)
	a kind of gun emplacement
	furniture pieces made to fit close together
	a gang of people (criminals or spies or terrorists) assembled in one locality
	a cosy or secluded retreat
	a structure in which animals lay eggs or give birth to their young

dwell (verb)	nest (verb)
think moodily or anxiously about something	fit together or fit inside
come back to	gather nests
be an inhabitant of or reside in	move or arrange oneself in a comfortable and cozy position
originate (in)	inhabit a nest, usually after building
exist or be situated within