1 syllable:
-derm, -sperm, berm, chirm, churme, derm-, ferm, ferme, firm, firme, from, germ, germe, herm, herme, hurm, mp erm, phirm, scherm, schirm, sherm, sperm, squirm, sturm, tc erm, term, terme, therm, therm-, therme, thurm, verme, worm, wurm

2 syllables:
affirm, affirme, afirm, bandwurm, beard worm, bildschirm, bookworm, caseworm, confirm, confirme, cutworm, degerm, deperm, devshirme, dew worm, earthworm, fireworm, fishworm, flukeworm, full-term, full term, gapeworm, half-term, heartworm, hold firm, horseworm, inchworm, inerm, inerme, infirm, inserm, ismrm, kirchturm, landsturm, late-term, law firm, leuchtturm, long-term, longterm, maltworm, midterm, near-term, nonterm, obfirm, ohrwurm, oosperm, outterm, pileworm, red worm, rootworm, roseworm, russwurm, schneesturm, school term, seatworm, short-term, shortterm, stand firm, tapeworm, tongueworm, tongue worm, tubeworm, unfirm, volkssturm, wheatworm, wheat germ, wireworm, woodworm, xterm, zoosperm

3 syllables:
androderm, angleworm, army worm, arthroderm, aussichtsturm, bioherm, biotherm, bladder worm, business firm, chrysosperm, counterterm, decatherm, diasyrm, disaffirm, disconfirm, ectotherm, endoderm, endosperm, endotherm, epiderm, episperm, estraderm, eurytherm, exoderm, fishing worm, geotherm, guinea worm, gymnosperm, haematherm, hematherm, homotherm, hypoderm, incoterm, isotherm, lidoderm, longer-term, major term, megaderm, megatherm, mesoderm, mesosperm, mesotherm, messeturm, microtherm, middle term, minor term, misaffirm, monosperm, nicoderm, opentherm, pachyderm, peanut worm, periderm, perisperm, phelloderm, pickleworm, placoderm, pododerm, podosperm, prison term, psorosperm, pteridosperm, railroad worm, reaffirm, reconfirm, regenschirm, regenwurm, remain firm, rhodosperm, ribbon worm, sarcoderm, scleroderm, service firm, spermoderm, spindleworm, stenoderm, stenotherm, tatzelwurm, trophoderm, trophosperm, velvet worm, zygosperm

4 syllables:
accounting firm, angiosperm, annelid worm, army cutworm, brokerage firm, carry to term, consulting firm, echinoderm, electrotherm, erythra-derm, geoisotherm, heterotherm, homeotherm, homoiotherm, insurance firm, investment firm, isallotherm, malacoderm, measuring worm, medium-term, melanosperm, osteoderm, ostracoderm, poikilotherm, potato worm, proboscis worm, progymnosperm, publishing firm, removal firm, segmented worm, syphiloderm, tomato worm, vinegar worm

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

6 syllables:
intermediate-term

1 syllable:
arm, charm, corm, dorm, farm, form, harm, norm, smarm, storm, swarm, warm

2 syllables:
age norm, alarm, art form, becharm, bound form, cairngorm, change form, claim form, conform, deform, disarm, dust storm, forearm, free form, home-farm, ice storm, inform, leaf form, life form, line storm, lukewarm, perform, re-arm, rearm, reform, schoolmarm, side arm, small-arm, straight-arm, strong-arm, stud farm, take form, tax form, tone arm, transform, tree farm, truck farm, unarm, verse form, wave form, word form

3 syllables:
lentiform, ectoderm, entoderm, ensiform, buy the farm, cattle farm, contact arm, dairy farm, funny farm, good luck charm, land reform, misinform, order form, pickup arm, plural form, prison farm, rocker arm, sewage farm, silver storm, smoke alarm, underarm, wiper arm, writing arm

4 syllables:
burglar alarm, citation form, collective farm, combining form, electric storm, fire alarm, magnetic storm, meteor swarm, singular form, sonata form, telegraph form, violent storm

5 syllables:
application form, electrical storm

7 syllables:
operation desert storm