keel vs stagger

keel and stagger both are nouns.

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

As verbs, keel and stagger are synonyms defined as:

Other synonyms of keel include careen, lurch, reel, swag.

keel (noun)	stagger (noun)
one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability	an unsteady uneven gait
the median ridge on the breastbone of birds that fly
a projection or ridge that suggests a keel

keel (verb)	stagger (verb)
walk as if unable to control one's movements	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