Registration
Part of speech: noun
Definition: the act of signing up or registering for something that which registers or makes something official, e.g. the form or paper that registers alignment, e.g. of colors or other elements in a printing process the location where guests register, especially with a hotel.
Example sentence: When I was driving home after registration, I heard this song on the radio, a guy singing about not ever going to class in college and always hanging out and singing for his friends. I laughed and said, I can relate, because it was so much like me. I realized right then I would pull out of school and pursue a music career.
Enrollment
Part of speech: noun
Definition: The act of enrolling or the state of being enrolledThe people enrolled, considered as a groupThe number of people enrolledThe record of such enrolling; registration
Example sentence: When I turn 55, I'm going to be on Medicare. I can call up and tell them I don't want to be on Medicare, but otherwise, I'll be on Medicare. So they use this kind of automatic enrollment. We give states the option of automatically enrolling those who are eligible.