handle vs handler

handle and handler both are nouns.

Word	Noun	Adjective	Verb	Adverb
handle	Yes	No	Yes	No
handler	Yes	No	No	No

handle (noun)	handler (noun)
the appendage to an object that is designed to be held in order to use or move it	(sports) someone in charge of training an athlete or a team
	one who trains or exhibits animals
	an agent who handles something or someone

handle (verb)	handler (verb)
act on verbally or in some form of artistic expression
touch, lift, or hold with the hands
handle effectively
show and train
be in charge of, act on, or dispose of
interact in a certain way