disconnect vs connect

disconnect is a noun but connect is not a noun.

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

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

disconnect (verb)	connect (verb)
make disconnected, disjoin or unfasten	make a logical or causal connection
pull the plug of (electrical appliances) and render inoperable	join for the purpose of communication
	join by means of communication equipment
	connect, fasten, or put together two or more pieces
	land on or hit solidly
	plug into an outlet
	hit or play a ball successfully
	establish communication with someone
	establish a rapport or relationship
	be or become joined or united or linked
	be scheduled so as to provide continuing service, as in transportation