office vs officiate

office is a noun but officiate is not a noun.

Word	Noun	Adjective	Verb	Adverb
office	Yes	No	No	No
officiate	No	No	Yes	No

office (noun)	officiate (noun)
a religious rite or service prescribed by ecclesiastical authorities
the actions and activities assigned to or required or expected of a person or group
a job in an organization
place of business where professional or clerical duties are performed
professional or clerical workers in an office
an administrative unit of government
(of a government or government official) holding an office means being in power

office (verb)	officiate (verb)
	perform duties attached to a particular office or place or function
	act in an official capacity in a ceremony or religious ritual, such as a wedding