interior, m, interior.
interiormente, inwardly, to oneself.
interlocutor, m., questioner, interlocutor.
interminable, interminable, endless.
internarse, to enter, penetrate.
interno, -a, internal.
interpelado, subst. m., man (or one) interrogated (or questioned).
interpretar, to interpret, explain.
interrogación, f., question, interrogation.
interrumpir, to interrupt, break.