pay vs payroll

pay and payroll both are nouns.

Word	Noun	Adjective	Verb	Adverb
pay	Yes	No	Yes	No
payroll	Yes	No	No	No

pay (noun)	payroll (noun)
something that remunerates	the department that determines the amounts of wage or salary due to each employee
	a list of employees and their salaries
	the total amount of money paid in wages

pay (verb)	payroll (verb)
dedicate
bear (a cost or penalty), in recompense for some action
convey, as of a compliment, regards, attention, etc.; bestow
give money, usually in exchange for goods or services
bring in
do or give something to somebody in return
cancel or discharge a debt
make a compensation for
discharge or settle
render
be worth it