residence vs residential

residence is a noun but residential is not a noun.

Word	Noun	Adjective	Verb	Adverb
residence	Yes	No	No	No
residential	No	Yes	No	No

residence (noun)	residential (noun)
the act of dwelling in a place
the official house or establishment of an important person (as a sovereign or president)
a large and imposing house
any address at which you dwell more than temporarily

residence (adjective)	residential (adjective)
	used or designed for residence or limited to residences
	of or relating to or connected with residence