investiture vs installation

investiture and installation both are nouns.

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

As nouns, installation is a hypernym of investiture; that is, installation is a word with a broader meaning than investiture:

Other hypernyms of investiture include induction, initiation.

investiture (noun)	installation (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 act of installing something (as equipment)
the ceremony of installing a new monarch	a building or place that provides a particular service or is used for a particular industry
	a formal entry into an organization or position or office