flitter vs waver

flitter is not a noun while waver is a noun.

Word	Noun	Adjective	Verb	Adverb
flitter	No	No	Yes	No
waver	Yes	No	Yes	No

As verbs, flitter and waver are synonyms defined as:

Other synonyms of flitter include flicker, flutter, quiver.

flitter (noun)	waver (noun)
	the act of moving back and forth
	the act of pausing uncertainly
	someone who communicates by waving

flitter (verb)	waver (verb)
move back and forth very rapidly	give off unsteady sounds, alternating in amplitude or frequency
	sway from side to side
	move or sway in a rising and falling or wavelike pattern
	move back and forth very rapidly
	move hesitatingly, as if about to give way
	pause or hold back in uncertainty or unwillingness
	be unsure or weak