Letter: i
- incorrigible, bad, beyond control, beyond recall, beyond remedy, chronic, confirmed, contumacious, deep-dyed, deep-fixed, deep-rooted, deep-seated, deep-set, deep-settled, defiant, dyed-in-the-wool

- incorruptibility, immortality, integrity, invincibility, rectitude, reliability, responsibility, sureness

- incorruptible, deathless, dependable, embalmed, ever-fresh, everlasting, frozen, immortal, imperishable, impregnable, indelible, indestructible, ineffaceable, ineradicable, inextinguishable, invincible

- increase, accession, accessory, accompaniment, accretion, accrue, accumulate, add to, addenda, addendum, addition, additive, adjunct, advance, agglutination, aggrandize

- increased, accelerated, aggrandized, aggravated, amplified, annoyed, augmented, beefed-up, bloated, boosted, broadened, built-up, crescendoed, deepened, deliberately provoked, elevated

- increasing, consecutive, crescent, cumulative, expanding, flourishing, growing, increase, lengthening, multiplying, progressive, spread, swelling, tightening

- incredibility, bare possibility, credibility gap, implausibility, prodigiousness, rarity, small chance, unlikelihood, unreliability

- incredible, a bit thick, a bit thin, absurd, amazing, antic, appalling, astonishing, astounding, awe-inspiring, awesome, beguiling, bewildering, beyond belief, bizarre, conspicuous

- incredibly, abnormally, abundantly, acutely, amazingly, amply, astonishingly, awesomely, beguilingly, bewilderingly, conspicuously, copiously, eminently, emphatically, enigmatically, exceptionally

- incredulity, agnosticism, atheism, denial, disbelief, discredit, doubt, heresy, inability to believe, infidelity, rejection, scepticism, scoffing, unbelief

- incredulous, agnostic, cautious, disbelieving, disinclined to believe, disposed to doubt, distrustful, doubtful, doubting, dubious, faithless, guarded, hard of belief, heretical, hesitant, impervious to persuasion

- increment, access, accession, accessory, accompaniment, accretion, accrual, accumulation, addenda, addendum, addition, additive, adjunct, advance, aggrandizement, amplification

- incremental, crescent, expanding, growing, lengthening, multiplying, swelling, tightening

- incriminate, accuse, arraign, assail, attack, blame, censure, charge, cry out against, cry out on, cry shame upon, entangle, finger, impeach, implicate, impugn

- incriminated, accused, blamed, charged, guilty, impeached, implicated, impugned, inculpated, indicted, involved, taxed, under attack

- incrimination, assault, attack, censure, citation, implication, involvement

- incrustation, blanketing, blocking, blotting out, cloaking, clouding, coating, coverage, covering, crust, curtaining, eclipse, eclipsing, envelopment, hiding, laying on

- incubate, breed, brood, carry, cover, gestate, hatch, set, sit

- incubation, covering, greatness, pregnancy, sitting

- incubator baby, babe, baby, infant, papoose, preschooler, suckling, toddler, yearling

- incubator, birthplace, brooder, cradle, hotbed, nest, nursery, rookery

- incubus, Dracula, Frankenstein, bad dream, bale, bogey, bogeyman, brown study, bugaboo, bugbear, burden, burdening, cargo, charge, charging, cumber

- inculcate, beat into, brainwash, catechize, condition, engrave, etch, grave, imbue, implant, impregnate, impress, imprint, indoctrinate, infix, infuse

- inculcated, chronic, confirmed, deep-dyed, deep-fixed, deep-rooted, deep-seated, deep-set, deep-settled, dyed-in-the-wool, established, fast, fixed, implanted, incorrigible, ingrained

- inculcation, conditioning, discipline, implantation, impregnation, impression, indoctrination, infusion, inoculation

- inculpate, accuse, arraign, assail, attack, censure, charge, impeach, implicate, impugn, incriminate, indict, involve, vituperate

- inculpated, accused, arraigned, at fault, blamed, censurable, charged, cited, criminal, culpable, denounced, faulty, guilty, impeachable, impeached, implicated

- incumbency, accountability, amenability, appointment, bale, benefice, berth, billet, burden, burdening, care of souls, cargo, charge, charging, cumber, curacy

- incumbent, addressee, artist-in-residence, beetle, beetling, beneficiary, binding, burdensome, commanding, compulsory, cumbersome, cumbrous, demanding, denizen, dweller, habitant

- incunabula, beginning, birth, childhood, cradle, genesis, inception, incipiency, infancy, nativity, origin, origination, parturition, pregnancy, youth
