hoot vs hooter

hoot and hooter both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoot	Yes	No	Yes	No
hooter	Yes	No	No	No

hoot (noun)	hooter (noun)
something of little value	nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes
a loud raucous cry (as of an owl)	a device on an automobile for making a warning noise
a cry or noise made to express displeasure or contempt	informal terms for the nose

hoot (verb)	hooter (verb)
to utter a loud clamorous shout
utter the characteristic sound of owls