unparallel vs uneven

unparallel and uneven both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unparallel	No	Yes	No	No
uneven	No	Yes	No	No

unparallel (adjective)	uneven (adjective)
not straight or parallel	not even or uniform as e.g. in shape or texture
	not divisible by two
	lacking consistency
	(of a contest or contestants) not fairly matched as opponents
	variable and recurring at irregular intervals