stay vs stayer

stay and stayer both are nouns.

Word	Noun	Adjective	Verb	Adverb
stay	Yes	No	Yes	No
stayer	Yes	No	No	No

stay (noun)	stayer (noun)
continuing or remaining in a place or state	a person or other animal having powers of endurance or perseverance
(nautical) brace consisting of a heavy rope or wire cable used as a support for a mast or spar
a thin strip of metal or bone that is used to stiffen a garment (e.g. a corset)
a judicial order forbidding some action until an event occurs or the order is lifted
the state of inactivity following an interruption

stay (verb)	stayer (verb)
stay the same; remain in a certain state
stop or halt
overcome or allay
fasten with stays
be in a certain place and not leave
stop a judicial process
dwell
continue in a place, position, or situation
hang on during a trial of endurance