float vs floater

float and floater both are nouns.

Word	Noun	Adjective	Verb	Adverb
float	Yes	No	Yes	No
floater	Yes	No	No	No

float (noun)	floater (noun)
an air-filled sac near the spinal column in many fishes that helps maintain buoyancy	an insurance policy covering loss of movable property (e.g. jewelry) regardless of its location
something that floats on the surface of water	an object that floats or is capable of floating
a hand tool with a flat face used for smoothing and finishing the surface of plaster or cement or stucco	a swimmer who floats in the water
an elaborate display mounted on a platform carried by a truck (or pulled by a truck) in a procession or parade	a wanderer who has no established residence or visible means of support
a drink with ice cream floating in it	a voter who votes illegally at different polling places in the same election
the number of shares outstanding and available for trading by the public	an employee who is reassigned from job to job as needed
the time interval between the deposit of a check in a bank and its payment	a debt instrument with a variable interest rate tied to some other interest rate (e.g. the rate paid by T-bills)
	spots before the eyes caused by opaque cell fragments in the vitreous humor and lens

float (verb)	floater (verb)
convert from a fixed point notation to a floating point notation
allow (currencies) to fluctuate
make the surface of level or smooth
put into the water
be in motion due to some air or water current
be afloat either on or below a liquid surface and not sink to the bottom
set afloat
move lightly, as if suspended
circulate or discuss tentatively; test the waters with