navigation vs tack

navigation and tack both are nouns.

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

navigation (noun)	tack (noun)
the guidance of ships or airplanes from place to place	sailing a zigzag course
the work of a sailor	(nautical) the act of changing tack
ship traffic	a short nail with a sharp point and a large head
	gear for a horse
	(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind
	the heading or position of a vessel relative to the trim of its sails

navigation (verb)	tack (verb)
	reverse (a direction, attitude, or course of action)
	fasten with tacks
	sew together loosely, with large stitches
	fix to; attach
	create by putting components or members together
	turn into the wind