invest vs buy into

invest and buy into both are verbs.

Word	Noun	Adjective	Verb	Adverb
invest	No	No	Yes	No
buy into	No	No	Yes	No

As verbs, buy into is a hyponym of invest; that is, buy into is a word with a more specific, narrower meaning than invest:

Other hyponyms of invest include fund, roll over, shelter, tie up, job, speculate.

invest (verb)	buy into (verb)
make an investment	buy stocks or shares of a company
provide with power and authority
place ceremoniously or formally in an office or position
furnish with power or authority; of kings or emperors
give qualities or abilities to