installing vs installation

installing and installation both are nouns.

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

As nouns, installing and installation are synonyms defined as:

installing and installation: the act of installing something (as equipment)

Other synonyms of installing include installment, instalment.

installing (noun)	installation (noun)
the act of installing something (as equipment)	the act of installing something (as equipment)
	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