instal vs invest

instal and invest both are verbs.

Word	Noun	Adjective	Verb	Adverb
instal	No	No	Yes	No
invest	No	No	Yes	No

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

Other hyponyms of instal include induct, seat, enthrone, vest.

instal (verb)	invest (verb)
set up for use	make an investment
place	provide with power and authority
put into an office or a position	place ceremoniously or formally in an office or position
	furnish with power or authority; of kings or emperors
	give qualities or abilities to