inaugural vs installation

inaugural and installation both are nouns.

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

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

Other hypernyms of inaugural include induction, initiation.

inaugural (noun)	installation (noun)
the ceremonial induction into a position	the act of installing something (as equipment)
an address delivered at an inaugural ceremony (especially by a United States president)	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

inaugural (adjective)	installation (adjective)
occurring at or characteristic of a formal investiture or induction
serving to set in motion