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

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

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

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

5 syllables:
electrical storm, application form

7 syllables:
operation desert storm