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"En" is a form of "en", a preposition which is often translated as "in". "Perfecto" is an adjective which is often translated as "perfect". Learn more about the difference between "en" and "perfecto" below.
en()
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
perfecto()
An adjective is a word that describes a noun (e.g., the big dog).
1. (flawless)
2. (ideal)
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).