gesture vs bow

gesture and bow both are nouns.

Word	Noun	Adjective	Verb	Adverb
gesture	Yes	No	Yes	No
bow	Yes	No	Yes	No

As nouns, bow is a hyponym of gesture; that is, bow is a word with a more specific, narrower meaning than gesture:

gesture: the use of movements (especially of the hands) to communicate familiar or prearranged signals
bow: bending the head or body or knee as a sign of reverence or submission or shame or greeting

As verbs, bow is a hyponym of gesture; that is, bow is a word with a more specific, narrower meaning than gesture:

gesture (noun)	bow (noun)
motion of hands or body to emphasize or help to express a thought or feeling	a stroke with a curved piece of wood with taut horsehair strands that is used in playing stringed instruments
something done as an indication of intention	a slightly curved piece of resilient wood with taut horsehair strands; used in playing certain stringed instruments
the use of movements (especially of the hands) to communicate familiar or prearranged signals	a weapon for shooting arrows, composed of a curved piece of resilient wood with a taut cord to propel the arrow
	a knot with two loops and loose ends; used to tie shoelaces
	a decorative interlacing of ribbons
	something curved in shape
	front part of a vessel or aircraft
	an appearance by actors or performers at the end of the concert or play in order to acknowledge the applause of the audience
	bending the head or body or knee as a sign of reverence or submission or shame or greeting

gesture (verb)	bow (verb)
show, express or direct through movement	bend one's knee or body, or lower one's head
	yield to another's wish or opinion
	bend the head or the upper part of the body in a gesture of respect or greeting
	bend one's back forward from the waist on down
	play on a stringed instrument with a bow