group (bank, battery, body, flock, gang, handful, herd, horde, host, multitude, pack, swarm) guarantee (warrant) guard (safeguard) guidance (guide) gut H
habit (hobby, pastime) halt (close, end, stop) handicap (cripple, disable)
handout (fallout, hangout, takeout, turnout) handover (takeover, turnover) handsome handy
happen (occur, take place) harbour (port)
haste (hurry; hasten, hasty) hatch
haul (hurl, hurdle, hurtle) hazard hearty heel
height (high) hematoma hematuria hemiplegia hemorrhage
heredity (heritage, legacy) high (highly) highlight hinge hold home
homogeneous hop (pop, bop) hopeful (promising) hospitality (hospitable) host (hold, sponsor; hostage) house (household, housing) however
human (humanity) hunt (haunt) hydraulic hydrocarbon hyperacid
hyperplasia hypertension hypoplasia hypotension I
idea (opinion, concept) identical (same) identify ideology ignite ileum
ill (sick, ailing)
illegal (illegible, eligible; illegitimate, illicit) illuminate (illustrate, elaborate, elucidate) illusion (disillusion)
imaginable (imaginary, imaginative) imitate (emulate, simulate) immediately (directly, instantly) immemorial
immoral (amoral, non-moral) immune (commune) impair (impede) impatience impersonal impetus
imply (implication, implicit) import
importance (interest, moment, significance) impression (impressive) incidentally incision incite (incur) incline (inclination) inclusive indication
indicative (suggestive) induction industry
inevitable (inescapable, unavoidable) infarct
infinite (infinitive, infinity) inflation (deflation)
influence (affect, effect, impact) information (message)
informer (informant) infrared
ingenious (ingenuous) inhabit (inhabitant)
initial (preliminary, primary) initiate (initiative, initiator) insomnia (amnesia)
inspire (aspire, expire, respire, perspire) install (installation) instant (instantaneous) instant (minute, moment)
instantaneous (simultaneous, spontaneous) instead
institute (institution) insulate (separate, isolate) intact
integral (integration, integrity) interference (intervention, meddle) introduce intuition (tuition) invalid
inverse (averse, converse, adverse, obverse, reverse) irrespective ischemia J jaundice jeopardize jerk jigsaw join
joint (conjunction, junction, juncture, connection, link, tie) joke (jocose, jocular, jocund, jog, joy, jolly jubilate) journal
judicial (judiciary, judicious) jump (leap) jury
justify (justifiable) juvenile K kernel keynote kick kidney kill
kin knight knob (knot) knowing
knowledge (acknowledge) L
label (mark, sign, signal, signature, symbol, tag, token) laden lame (limp) land (landing) landscape lapse
lately (recently, of late) latent (potential) latitude (longitude) lavish
layout (outlay) lead (leader, leading) lease leave
length (lengthy) lesser lethal leukocyte levy liable
library (bank) lie (lay) ligament
light (lighten, lightly)
like (likely, liken; likelihood, likeness) limit (limitation) linger
listen (hear, eavesdrop, overhear) literary (literal, literate) litter lobby
locality (location, site, spot) localize (locate, spot) lodge (board) log
lose (losing, loss, lost) lounge
love (lovable, lovely, loving)