Learn Spanish words starting with 'I' A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Here is a list of the most commonly used Spanish words similar to English words starting with the letter I. In most cases, you would use the Spanish word as you would the English word. Click on the audio button to hear how the Spanish word is pronounced. You will see that Spanish words are pronounced as they are written. English Spanish idea idea ideal ideal ideally idealmente identical idéntico identify identificar identity identidad idiot idiota idol ídolo ignition ignición illusion ilusión image imagen imagine imaginar impact impacto implied implícito import importar impossible imposible impress impresionar inactive inactivo incident incidente incline inclinar include incluir incomplete incompleto incorrect incorrecto indecent indecente industry industria inexact inexacto infect infectar infinite infinito insect insecto insecure inseguro install instalar instruction instrucción instructive instructivo insufficient insuficiente intelligent inteligente intense intenso invalid inválido invest invertir irritate irritar