is – Ilocano, verb isu
is – Ilocano, verb isu
island – Ilocano, noun puro isla
isolate – Ilocano, verb pagmaymaysaen isina
isolation – Ilocano, noun panagmaymaysa pannakailasin
issue – Ilocano, noun saritaan kopya ti pagiwarnak
isthmus – Ilocano, noun bassit a daga a mamagsilpo ti dua a dakkel a daga