utility vs service routine

utility and service routine both are nouns.

Word	Noun	Adjective	Verb	Adverb
utility	Yes	Yes	No	No
service routine	Yes	No	No	No

utility (noun)	service routine (noun)
the service (electric power or water or transportation) provided by a public utility	a routine that can be used as needed
a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal
the quality of being of practical use
(computer science) a program designed for general support of the processes of a computer
a company that performs a public service; subject to government regulation
(economics) a measure that is to be maximized in any situation involving choice

utility (adjective)	service routine (adjective)
used of beef; usable but inferior
capable of substituting in any of several positions on a team