4 letters:
acre, aker

5 letters:
acher, achor, baker, dacre, faker, jaker, laker, maker, nacre, raker, sacre, saker, taker, waker

6 letters:
bakker, blaker, braker, craker, daiker, fiacre, flaker, fraker, kraker, quaker, shaker, slaker, staker

7 letters:
breaker, comaker, kveikur, lake er, opaquer, remaker, retaker, spraker, straker

8 letters:
animaker, bedmaker, carmaker, diemaker, docmaker, forsaker, gateacre, gunmaker, halfacre, hammaker, hardacre, hatmaker, hawbaker, haymaker, hitmaker, icemaker, keymaker, lawmaker, longacre, make her, mapmaker, mistaker, nanoacre, netmaker, partaker, phreaker, shomaker, shumaker, sunbaker, take her, texmaker, toymaker, wake her, waymaker, wigmaker, wiseacre

9 letters:
automaker, blackacre, bootmaker, break her, brewbaker, caretaker, car maker, chipmaker, dealmaker, drugmaker, filemaker, filmmaker, foodmaker, gamemaker, helltaker, homemaker, ice maker, kingmaker, lacemaker, lossmaker, map maker, moonraker, muckraker, mythmaker, newsmaker, notetaker, nunemaker, oddsmaker, pacemaker, pagemaker, pathmaker, playmaker, polltaker, rainmaker, roadmaker, ropemaker, sailmaker, schomaker, schumaker, shake her, shoemaker, shotmaker, shoumaker, simulacre, slaymaker, snowmaker, softmaker, staymaker, tea maker, tentmaker, tiremaker, tolltaker, toolmaker, ultimaker, wanamaker, winemaker

10 letters:
auto maker, beer maker, bellyacher, belt maker, boneshaker, boot maker, brickmaker, candymaker, care-taker, cloakmaker, clockmaker, deathmaker, dressmaker, fazenbaker, film-maker, film maker, framemaker, glassmaker, god's acre, grubstaker, hazelbaker, icebreaker, jawbreaker, knattleikr, lawbreaker, lens maker, matchmaker, merrymaker, moneymaker, moviemaker, noel-baker, noisemaker, nutbreaker, odds-maker, painstaker, papermaker, peacemaker, pennebaker, platemaker, poll taker, poundmaker, printmaker, risk-taker, risk taker, rope-maker, schoemaker, sedum acre, shirtmaker, sleepwaker, stavesacre, steelmaker, studebaker, tastemaker, thingmaker, tiebreaker, tool-maker, undertaker, visbreaker, wannamaker, warbreaker, watchmaker, watermaker, widowmaker, wine maker, wisenbaker

11 letters:
backbreaker, ballbreaker, boilermaker, bonebreaker, bread maker, candlemaker, cheesemaker, codebreaker, coffeemaker, earthshaker, facebreaker, forsake her, gamebreaker, ice-breaker, image-maker, jailbreaker, law-breaker, mantuamaker, marketmaker, money-maker, movie maker, neckbreaker, opium taker, pathbreaker, peace-maker, phrasemaker, policymaker, safebreaker, salt shaker, shakermaker, shipbreaker, slave-maker, speechmaker, stock-taker, taste-maker, thief-taker, tie-breaker, violinmaker, widow-maker, windbreaker

12 letters:
ball-breaker, ballad maker, barrel maker, basket maker, blankenbaker, cabinetmaker, census taker, circuitmaker, coffee maker, deal-breaker, fenstermaker, garmentmaker, heartbreaker, holidaymaker, horsebreaker, housebreaker, martin-baker, nightbreaker, patternmaker, peacebreaker, peppershaker, pledge taker, policy-maker, policy maker, profit taker, safe-breaker, ship-breaker, speech-maker, statue maker, stonebreaker, stormbreaker, thread maker, ticket taker, trailbreaker, troublemaker, trucebreaker

13 letters:
cabinet-maker, decisionmaker, ground-shaker, groundbreaker, holiday-maker, hostage-taker, image breaker, jewelry maker, middlebreaker, stone-breaker, stone breaker, strikebreaker, trouble maker

14 letters:
decision-maker, decision maker, espresso maker, mischief-maker, record-breaker

15 letters:
circuit-breaker, circuit breaker, cocktail shaker

16 letters:
hell's half acre

17 letters:
cardiac pacemaker

18 letters:
leslie david baker

19 letters:
tatjana schoenmaker

20 letters:
artificial pacemaker

8 letters:
agitator, adulator

9 letters:
alligator, abdicator, abnegator, activator, tabulator, navigator

10 letters:
calculator, machinator, ejaculator, eradicator, applicator, vacillator

11 letters:
trafficator, totalisator, emancipator

12 letters:
perambulator

14 letters:
procrastinator

15 letters:
flux applicator, genus alligator, hand calculator

17 letters:
pocket calculator, chinese alligator

18 letters:
american alligator

28 letters:
tissue plasminogen activator