buy out vs buy up

buy out and buy up both are verbs.

Word	Noun	Adjective	Verb	Adverb
buy out	No	No	Yes	No
buy up	No	No	Yes	No

As verbs, buy out and buy up are synonyms defined as:

buy out and buy up: take over ownership of; of corporations and companies

Other synonyms of buy out include take over.

buy out (verb)	buy up (verb)
take over ownership of; of corporations and companies	take over ownership of; of corporations and companies