waver vs waverer

waver and waverer both are nouns.

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

waver (noun)	waverer (noun)
the act of moving back and forth	one who hesitates (usually out of fear)
the act of pausing uncertainly
someone who communicates by waving

waver (verb)	waverer (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