deputy vs deputise

deputy is a noun but deputise is not a noun.

Word	Noun	Adjective	Verb	Adverb
deputy	Yes	No	No	No
deputise	No	No	Yes	No

deputy (noun)	deputise (noun)
an assistant with power to act when his superior is absent
someone authorized to exercise the powers of sheriff in emergencies
a person appointed to represent or act on behalf of others
a member of the lower chamber of a legislative assembly (such as in France)

deputy (verb)	deputise (verb)
	appoint as a substitute
	act as a substitute