pulling vs propulsion

pulling and propulsion both are nouns.

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

As nouns, propulsion is a hypernym of pulling; that is, propulsion is a word with a broader meaning than pulling:

pulling: the act of pulling; applying force to move something toward or with you
propulsion: the act of propelling

Other hypernyms of pulling include actuation.

pulling (noun)	propulsion (noun)
the act of pulling; applying force to move something toward or with you	the act of propelling
	a propelling force