program vs American spelling

program and American spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
program	Yes	No	Yes	No
American spelling	Yes	No	No	No

program (noun)	American spelling (noun)
a performance (or series of performances) at a public presentation	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
a series of steps to be carried out or goals to be accomplished
a system of projects or services intended to meet a public need
an announcement of the events that will occur as part of a theatrical or sporting event
a radio or television show
(computer science) a sequence of instructions that a computer can interpret and execute
a document stating the aims and principles of a political party
an integrated course of academic studies

program (verb)	American spelling (verb)
arrange a program of or for
write a computer program