As nouns the difference between fin and end
is that
fin is one of the appendages of a fish, used to propel itself and to manoeuvre/maneuver while
end is the final point of something in space or time.
As verbs the difference between fin and end
is that
fin is (
cut fins) To cut the fins from a fish, shark, etc while
end is to finish, terminate.
As a proper noun Fin
is commune in the Somme department in France.