stagger vs staggerer

stagger and staggerer both are nouns.

Word	Noun	Adjective	Verb	Adverb
stagger	Yes	No	Yes	No
staggerer	Yes	No	No	No

stagger (noun)	staggerer (noun)
an unsteady uneven gait	someone who walks unsteadily as if about to fall

stagger (verb)	staggerer (verb)
to arrange in a systematic order
astound or overwhelm, as with shock
walk as if unable to control one's movements
walk with great difficulty