1 syllable:
-form, corm, dorm, dorme, form, forme, horme, norm, norme, orme, phpstorm, schwarm, scorm, slorm, storm, swarm, torme, warm, xform

2 syllables:
age norm, arkstorm, art form, aswarm, ausform, barnstorm, bestorm, biform, blamestrorm, blogswarm, bloodstorm, bound form, brainstorm, by-form, change form, claim form, conform, conforme, deform, deforme, difform, difforme, dust-storm, duststorm, dust storm, efform, enform, enorm, enorme, firestorm, flexform, freeform, free form, hailstorm, ice storm, inform, informe, jotform, landform, landstorm, lauwarm, leaf form, lifeform, life form, lightstorm, line storm, lukewarm, maelstorm, misform, outform, outstorm, perform, perform', planform, platform, plattform, pliform, pre-storm, preform, pro-form, proform, rainstorm, raystorm, re-form, reform, rewarm, sandstorm, slipform, snowstorm, springform, t-norm, t-storm, take form, tax form, transform, triform, tubeform, unform, unwarm, upswarm, verse form, waveform, wave form, webform, whereform, wildstorm, windstorm, word form, z-transform

3 syllables:
aciform, acneform, aeriform, alestorm, aliform, andrew form, anguiform, ansiform, aquiform, arciform, auriform, bacciform, beeldenstorm, benidorm, boniform, boviform, branchiform, brianstorm, bromoform, bulbiform, bulletstorm, bulliform, bursiform, cactiform, calciform, cancriform, capriform, castlestorm, cauliform, celliform, chancriform, cheliform, chloroform, chloroforme, chyliform, ciliform, cineform, cirriform, claviform, coliform, colliform, cominform, conchiform, coniform, cordiform, cordoform, corniform, coryneform, costiform, cribriform, cross-platform, crossplatform, cruciform, cruciforme, cteniform, cubiform, cultriform, cuniform, curviform, cymbiform, deiform, dendriform, dentiform, disciform, disinform, dolioform, ensiform, equiform, fabiform, falciform, feliform, fibriform, ficiform, filiform, filiforme, floriform, fluoroform, fundiform, fungiform, funiform, funnelform, fusiform, galliform, gangliform, gasiform, gastronorm, gemmiform, geostorm, ginglyform, glandiform, graniform, gruiform, guttiform, halestorm, haloform, hamiform, harengiform, homiform, hydriform, inconform, isoform, janiform, juliform, kaliform, kidney-form, lanciform, land-reform, land reform, larviform, lentiform, leptiform, letterform, libriform, ligniform, lindiform, linguiform, lituiform, luciform, luniform, lupiform, lyriform, maidenform, mammiform, maniform, microform, misinform, misreform, mitriform, montiform, moriform, motorstorm, muciform, multiform, mummiform, muriform, musciform, myrtiform, napiform, nariform, nasiform, natiform, nautiform, nitroform, noisestorm, nuciform, nummiform, omniform, order form, oriform, outperform, oviform, paliform, palpiform, pappiform, pediform, peltiform, penniform, perciform, phylliform, piliform, piniform, pinniform, piriform, pisciform, pisiform, planiform, plexiform, plural form, poriform, preconform, punctiform, puriform, pyriform, quadriform, rabiform, ralliform, ramiform, raniform, remiform, reniform, restiform, retiform, retransform, riziform, rostriform, rotiform, rubiform, sacciform, salpiform, salverform, scalpriform, scapiform, scobiform, scombriform, scopiform, scoriform, scrotiform, scutiform, scyphiform, selliform, semiform, seminorm, septiform, serriform, setiform, silver storm, soliform, space platform, spathiform, spiciform, spiniform, spongiform, squaliform, squamiform, stelliform, stilliform, stipiform, stratiform, strigiform, strumiform, styliform, subuliform, sudiform, sulciform, tauriform, technivorm, tectiform, terraform, theiform, thermoform, thunderstorm, tubiform, turdiform, unciform, unciforme, uncoform, unconform, unguiform, uniform, uniforme, ursiform, utriform, valviform, variform, vasiform, vergiform, veriform, vermiform, villiform, vitriform, vulviform, zosteriform

4 syllables:
aciniform, acneiform, actiniform, adeniform, amentiform, amoebiform, ampulliform, anginiform, anguilliform, anseriform, antenniform, antheriform, arboriform, asbestiform, ascidiform, axiniform, bacilliform, baculiform, basaltiform, botuliform, bufoniform, calathiform, calcariform, calceiform, calyciform, campaniform, caniniform, capilliform, cerebriform, choleriform, choreiform, ciliiform, citation form, clypeiform, columbiform, columniform, combining form, cook up a storm, coralliform, coroniform, corticiform, corymbiform, cotyliform, crateriform, cuculiform, cucumiform, cumuliform, cuneiform, cupuliform, cyathiform, cylindriform, cypriniform, cypseliform, digitiform, disuniform, diversiform, dolabriform, drepaniform, dress uniform, drilling platform, electric storm, electroform, elytriform, emboliform, eruciform, etheriform, extractiform, falconiform, fibrilliform, filariform, fistuliform, flabelliform, flagelliform, foveiform, fungilliform, funiliform, galeiform, ganglioform, granitiform, granuliform, herpetiform, humaniform, hydatiform, iodoform, lachrymiform, lageniform, lamelliform, lebensreform, licheniform, limaciform, lumbriciform, magnetic storm, malleiform, mamilliform, mammilliform, maxilliform, medusiform, membraniform, metalliform, meteor swarm, molariform, monadiform, moniliform, morbilliform, multi-platform, multiplatform, muscariform, neuralgiform, nonuniform, nucleiform, obpyriform, oculiform, ostreiform, ovaliform, overinform, overperform, pampiniform, panduriform, papilliform, passeriform, patelliform, pateriform, pectiniform, petaliform, pileiform, placentiform, plumiliform, poculiform, polypiform, proteiform, psittaciform, pumiciform, pustuliform, puzzle-platform, racemiform, radiciform, raduliform, resiniform, rostelliform, ruiniform, sagittiform, saliniform, samariform, sandaliform, scalariform, scutelliform, securiform, serpentiform, singular form, soleiform, somatoform, sonata form, spiculiform, stalactiform, stalactoform, stipitiform, strobiliform, strombuliform, subpyriform, tabetiform, telegraph form, tetaniform, trapeziform, trichiuriform, tubuliform, umbelliform, umbiliform, underperform, urceiform, vacciniform, vaporiform, variciform, verruciform, violent storm, weapons platform, ypsiliform

5 syllables:
aciculiform, acinaciform, acinetiform, aculeiform, aluminiform, alveoliform, ambulacriform, amianthiform, amygdaliform, apoplectiform, application form, araneiform, aspergilliform, campaniliform, cochleariform, cocleariform, columelliform, coraciiform, ectocuniform, electrical storm, embryoniform, entocuniform, epileptiform, equisetiform, gelatiniform, google cloud platform, heroes of the storm, hippocrepiform, hydatidiform, hyperboliform, hypocrateriform, isopodiform, labyrinthiform, laniariform, madreporiform, mandibuliform, mesocuniform, nitro-chloroform, nitrochloroform, operculiform, ovopyriform, paraboliform, pelecaniform, penicilliform, plataleiform, proboscidiform, radiatiform, salamandriform, scarlatiniform, schizophreniform, semipenniform, siliqyiform, stalactitiform, tentaculiform, umbraculiform, varicelliform, varioliform, vesiculiform, zeolitiform

6 syllables:
acetabuliform, adipoceriform, entocuneiform, infundibuliform, mesocuneiform, political platform, terebratuliform

7 syllables:
military uniform, operation desert storm

1 syllable:
arm, charm, farm, firm, germ, harm, smarm, sperm, squirm, term, therm, worm

2 syllables:
affirm, alarm, beard worm, becharm, confirm, dew worm, disarm, forearm, full-term, full term, hold firm, home-farm, infirm, law firm, long-term, re-arm, rearm, red worm, schoolmarm, school term, short-term, side arm, small-arm, stand firm, straight-arm, strong-arm, stud farm, tone arm, tongue worm, tree farm, truck farm, unarm, unfirm, wheat germ

3 syllables:
army worm, bladder worm, business firm, buy the farm, cattle farm, contact arm, dairy farm, endoderm, episperm, fishing worm, funny farm, good luck charm, guinea worm, isotherm, major term, mesoderm, middle term, minor term, peanut worm, pickup arm, prison farm, prison term, railroad worm, reaffirm, reconfirm, remain firm, ribbon worm, rocker arm, service firm, sewage farm, smoke alarm, underarm, velvet worm, wiper arm, writing arm

4 syllables:
accounting firm, annelid worm, brokerage firm, burglar alarm, carry to term, collective farm, consulting firm, fire alarm, insurance firm, investment firm, measuring worm, potato worm, proboscis worm, publishing firm, removal firm, segmented worm, tomato worm, vinegar worm

5 syllables:
academic term, chordamesoderm, chordomesoderm, degree of a term, parasitic worm, presidential term, securities firm