centerfold vs centrefold

centerfold and centrefold both are nouns.

Word	Noun	Adjective	Verb	Adverb
centerfold	Yes	No	No	No
centrefold	Yes	No	No	No

As nouns, centerfold and centrefold are synonyms defined as:

centerfold and centrefold: a magazine center spread; especially a foldout of a large photograph or map or other feature

centerfold (noun)	centrefold (noun)
a magazine center spread; especially a foldout of a large photograph or map or other feature	a magazine center spread; especially a foldout of a large photograph or map or other feature