stock up vs buy in

stock up and buy in both are verbs.

Word	Noun	Adjective	Verb	Adverb
stock up	No	No	Yes	No
buy in	No	No	Yes	No

As verbs, stock up and buy in are synonyms defined as:

stock up and buy in: amass so as to keep for future use or sale or for a particular occasion or use

Other synonyms of stock up include stock.

stock up (verb)	buy in (verb)
amass so as to keep for future use or sale or for a particular occasion or use	amass so as to keep for future use or sale or for a particular occasion or use