extra point vs point after

extra point and point after both are nouns.

Word	Noun	Adjective	Verb	Adverb
extra point	Yes	No	No	No
point after	Yes	No	No	No

As nouns, extra point and point after are synonyms defined as:

extra point and point after: in American football a point awarded for a successful place kick following a touchdown

Other synonyms of extra point include point after touchdown.

extra point (noun)	point after (noun)
in American football a point awarded for a successful place kick following a touchdown	in American football a point awarded for a successful place kick following a touchdown