impress

improve

improvise

include

increase

incubate

indicate

infect

infer

inflate

influence

inform

ingest

inhabit

inhale

inherit

inherit

initiate

inject

injure

input

inquire

insert

insist

inspect

inspire

inspired

install

instill

instruct

insulate

insure

integrate

intend

intensify

interact

intercept

interfere

interlock

intermingle

interpret

interrupt

intersect

intervene

interview

intimidate

introduce

invade

invent

invert

invest

investigate