pull in vs amass

pull in and amass both are verbs.

Word	Noun	Adjective	Verb	Adverb
pull in	No	No	Yes	No
amass	No	No	Yes	No

As verbs, amass is a hypernym of pull in; that is, amass is a word with a broader meaning than pull in:

Other hypernyms of pull in include accumulate, collect, compile, hoard, pile up, roll up.

pull in (verb)	amass (verb)
direct toward itself or oneself by means of some psychological power or physical attributes	increase in amount by collecting or gathering
get or bring together	get or gather together
of trains; move into (a station)
earn on some commercial or business transaction; earn as salary or wages