unsteady vs arrhythmic

unsteady and arrhythmic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unsteady	No	Yes	No	No
arrhythmic	No	Yes	No	No

unsteady (adjective)	arrhythmic (adjective)
subject to change or variation	without regard for rhythm
not firmly or solidly positioned	lacking a steady rhythm