wield vs pump

wield is not a noun while pump is a noun.

Word	Noun	Adjective	Verb	Adverb
wield	No	No	Yes	No
pump	Yes	No	Yes	No

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

Other hyponyms of wield include ply, sweep, swing, swing out.

wield (noun)	pump (noun)
	a mechanical device that moves fluid or gas by pressure or suction
	a low-cut shoe without fastenings
	the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body

wield (verb)	pump (verb)
handle effectively	question persistently
have and exercise	deliver forth
	operate like a pump; move up and down, like a handle or a pedal
	raise (gases or fluids) with a pump
	draw or pour with a pump
	flow intermittently
	move up and down
	supply in great quantities