stipendiary vs paying

stipendiary is a noun but paying is not a noun.

Word	Noun	Adjective	Verb	Adverb
stipendiary	Yes	Yes	No	No
paying	No	Yes	No	No

As adjectives, stipendiary and paying are synonyms defined as:

Other synonyms of stipendiary include compensable, remunerative, salaried.

stipendiary (noun)	paying (noun)
(United Kingdom) a paid magistrate (appointed by the Home Secretary) dealing with police cases

stipendiary (adjective)	paying (adjective)
pertaining to or of the nature of a stipend or allowance	for which money is paid
for which money is paid	yielding a fair profit
receiving or eligible for compensation