litter vs litterer

litter and litterer both are nouns.

Word	Noun	Adjective	Verb	Adverb
litter	Yes	No	Yes	No
litterer	Yes	No	No	No

litter (noun)	litterer (noun)
material used to provide a bed for animals	a person who litters public places with refuse
conveyance consisting of a chair or bed carried on two poles by bearers
the offspring at one birth of a multiparous mammal
rubbish carelessly dropped or left about (especially in public places)

litter (verb)	litterer (verb)
give birth to a litter of animals
make a place messy by strewing garbage around
strew