clip vs unclip

clip is a noun but unclip is not a noun.

Word	Noun	Adjective	Verb	Adverb
clip	Yes	No	Yes	No
unclip	No	No	Yes	No

clip (noun)	unclip (noun)
the act of clipping or snipping
a sharp slanting blow
a metal frame or container holding cartridges; can be inserted into an automatic gun
any of various small fasteners used to hold loose articles together
an article of jewelry that can be clipped onto a hat or dress
an instance or single occasion for some event

clip (verb)	unclip (verb)
terminate or abbreviate before its intended or proper end or its full extent	remove the clip from
attach with a clip
sever or remove by pinching or snipping
cultivate, tend, and cut back the growth of
run at a moderately swift pace