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"At home" is an adverb which is often translated as "en casa", and "in my house" is a phrase which is often translated as "en mi casa". Learn more about the difference between "at home" and "in my house" below.
at home()
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
in my house()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. en mi casa
12 people live in my house. Sometimes it seems like a zoo.12 personas viven en mi casa. A veces parece un zoológico.