unplug vs disconnect

unplug is not a noun while disconnect is a noun.

Word	Noun	Adjective	Verb	Adverb
unplug	No	No	Yes	No
disconnect	Yes	No	Yes	No

As verbs, unplug and disconnect are synonyms defined as:

unplug and disconnect: pull the plug of (electrical appliances) and render inoperable

unplug (noun)	disconnect (noun)
	an unbridgeable disparity (as from a failure of understanding)

unplug (verb)	disconnect (verb)
pull the plug of (electrical appliances) and render inoperable	make disconnected, disjoin or unfasten
	pull the plug of (electrical appliances) and render inoperable