3 syllables:
jahangir

2 syllables:
changer, danger, granger, manger, ranger, stranger

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, stepmother, sepulture, reckoner, megathere, reservoir, cellular, tetraspore, questioner, wrestler, seconder, sepulchre, pedaler, regular, medicare, megaspore, premolar, belabour, presenter, temperature, pensioner, reveler, stepbrother, stegosaur, secular, arranger, endanger, exchanger, phalanger

4 syllables:
emmentaler, centromere, confectioner, noncellular, executor, dosemeter, irregular, expenditure, developer, molecular, acellular, misdemeanour, investiture, corregidor, text editor, room temperature, embezzler, competitor, ctenophore, heat exchanger, money changer, out of danger, record changer, texas ranger

5 syllables:
body temperature, intracellular, primogenitor, extracellular, curie temperature, city editor, copy editor, linkage editor, dog in the manger

6 syllables:
managing editor, differentiator, absolute temperature, clear and present danger

7 syllables:
capital expenditure