hesitation vs waver

hesitation and waver both are nouns.

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

As nouns, hesitation and waver are synonyms defined as:

Other synonyms of hesitation include falter, faltering.

hesitation (noun)	waver (noun)
the act of pausing uncertainly	the act of moving back and forth
a certain degree of unwillingness	the act of pausing uncertainly
indecision in speech or action	someone who communicates by waving

hesitation (verb)	waver (verb)
	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