put in vs amass

put in and amass both are verbs.

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

As verbs, amass is a hyponym of put in; that is, amass is a word with a more specific, narrower meaning than put in:

Other hyponyms of put in include bin, computerise, computerize, victual, accumulate, collect, compile, hoard, pile up, roll up, hive.

put in (verb)	amass (verb)
place, fit, or thrust (something) into another thing	increase in amount by collecting or gathering
break into a conversation	get or gather together
to insert between other elements
make an application as for a job or funding
set up for use
keep or lay aside for future use