pulling vs haul

pulling and haul both are nouns.

Word	Noun	Adjective	Verb	Adverb
pulling	Yes	No	No	No
haul	Yes	No	Yes	No

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

pulling: the act of pulling; applying force to move something toward or with you
haul: the act of drawing or hauling something

Other hyponyms of pulling include drag, draw, haulage, jerk, tug, draft, draught, drawing, deracination, excision, extirpation, pluck, traction.

pulling (noun)	haul (noun)
the act of pulling; applying force to move something toward or with you	the act of drawing or hauling something
	the quantity that was caught

pulling (verb)	haul (verb)
	transport in a vehicle
	draw slowly or heavily