steam vs navigation

steam and navigation both are nouns.

Word	Noun	Adjective	Verb	Adverb
steam	Yes	No	Yes	No
navigation	Yes	No	No	No

steam (noun)	navigation (noun)
water at boiling temperature diffused in the atmosphere	the guidance of ships or airplanes from place to place
	the work of a sailor
	ship traffic

steam (verb)	navigation (verb)
cook something by letting steam pass over it
clean by means of steaming
get very agitated or angry
rise as vapor
travel by means of steam power
emit steam