enrollment vs enrolment

enrollment and enrolment both are nouns.

Word	Noun	Adjective	Verb	Adverb
enrollment	Yes	No	No	No
enrolment	Yes	No	No	No

As nouns, enrollment and enrolment are synonyms defined as:

Other synonyms of enrollment include registration.

enrollment (noun)	enrolment (noun)
the act of enrolling	the act of enrolling
the body of people (such as students) who register or enroll at the same time