2 syllables:
brother, druther, fother, futher, mother, muther, nother, other, rather, smother, souther, suther, tother, uther, wuther, yother

3 syllables:
another, big brother, birthmother, blood brother, den mother, earth-mother, earth mother, eel-mother, foremother, godmother, grandmother, great mother, half-brother, hoemother, housemother, queen mother, some other, step-mother, stepbrother, the other, through-other, wolfmother

4 syllables:
anthracothere, foster-brother, foster-mother, foster brother, foster mother, great grandmother, i am mother, little brother, titanothere

5 syllables:
atom heart mother, every other, many another, surrogate mother, william mapother

6 syllables:
how i met your mother, one after another

3 syllables:
editor, decolor, semaphore, sepulcher, nebular, hellebore, delaware, belshazzar, predator, headhunter, ecuador, creditor, metaphor, guenevere, specular, senator, messenger, settler, metamere, secretaire, escolar, leveller, debugger, elater, prelature, seminar, sepulture, reckoner, megathere, reservoir, cellular, tetraspore, questioner, wrestler, seconder, sepulchre, pedaler, regular, medicare, megaspore, premolar, belabour, presenter, temperature, pensioner, reveler, stegosaur, secular, eleanor, endospore, engler, escobar, genitor, jennifer, leicestershire, leveler, meddler, mevacor, pedaller, reveller, second-year, sevener, strengthener

4 syllables:
emmentaler, centromere, confectioner, noncellular, executor, dosemeter, irregular, expenditure, developer, molecular, acellular, misdemeanour, investiture, corregidor, text editor, room temperature, embezzler, competitor, ctenophore, art editor, asthenosphere, concessioner, congenator, cross-questioner, dead metaphor, high temperature, low temperature, sports editor, state senator, subeditor, vulpecular

5 syllables:
body temperature, intracellular, primogenitor, extracellular, curie temperature, city editor, copy editor, linkage editor, business editor, divine messenger, drunken reveler, frozen metaphor

6 syllables:
managing editor, differentiator, absolute temperature, newspaper editor

7 syllables:
capital expenditure, capital of delaware, capital of ecuador