investiture vs invest

investiture is a noun but invest is not a noun.

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

investiture (noun)	invest (noun)
the ceremonial act of clothing someone in the insignia of an office; the formal promotion of a person to an office or rank
the ceremony of installing a new monarch

investiture (verb)	invest (verb)
	make an investment
	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