inference inferior infernal infertile infest infighting infiltrate infiltration infinite infinitive infinity infirm infirmary infirmity inflame inflamed inflammable inflammation inflatable inflate inflation inflection inflexibility inflexible inflexibly inflict influence influencer influenza influx info infomercial inform informal informant information infraction infrared infringe infringement infuriate infuriating infuse infusion ingenious ingénue ingenuity ingenuous ingoing ingratitude ingredient inhabit inhabitant inhale inhaler inherit inheritable inheritance inhibit inhibited inhibition inhibitor inhospitable inhuman initial initialization initialize initially initiative inject injection injunction injure injured injury injustice ink inking inland inlet inmate inn inner innocence innocent innovation innovative innuendo innumerable inoculate inoculation inoffensive inopportune inorganic inpatient input inquest inquire inquiry inquisitive