investigate – verb siyasatin magsiyasat
invigorating
invigorating – adjective nakakapag-palakas
invincible
invincible – adjective di-magagapi
invitation
invitation – noun anyaya pag-anyaya
invite
invite – verb mag-anyaya anyayahan
involuntary
involuntary – adjective di-kusa di-sadya
involve
involve – verb isangkot idawit ihalo
inward
inward – adverb papaloob papasok
iodine
iodine – noun yodo
ire
ire – noun galit