vs
QUICK ANSWER
"En" is a form of "en", a preposition which is often translated as "in". "Nadar" is an intransitive verb which is often translated as "to swim". Learn more about the difference between "en" and "nadar" below.
en()
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
nadar()
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
