forum vs installation

forum and installation both are nouns.

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

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

forum: a public facility to meet for open discussion
installation: a building or place that provides a particular service or is used for a particular industry

Other hypernyms of forum include facility.

forum (noun)	installation (noun)
a public facility to meet for open discussion	the act of installing something (as equipment)
a public meeting or assembly for open discussion	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