2 syllables:
brummer, bummer, chimar, chimor, cimer, comer, crumber, cummer, drummer, dumar, dumber, dummer, flummer, from her, glummer, gummer, hummer, kummer, mammer, mummer, nemir, nummer, plumber, plummer, rummer, scrimer, scummer, slummer, somer, sommar, sommer, strummer, stumer, sumer, sumere, summar, summer, thrummer, thumber, trimer

3 syllables:
become her, bressummer, brestsummer, ezdrummer, grace gummer, homecomer, incomer, midsummer, newcomer, transsummer

4 syllables:
charlie plummer, dieter brummer, donna summer, jodie comer, kettledrummer, mamie gummer, overcomer, snow-in-summer

5 syllables:
indian summer, saint martin's summer, telefonnummer

6 syllables:
500 days of summer, 5 seconds of summer

8 syllables:
wet hot american summer

2 syllables:
cunner, gunner, lunger, runner, stunner

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, base runner, blue runner, race runner, road runner

4 syllables:
emmentaler, centromere, confectioner, noncellular, executor, dosemeter, irregular, expenditure, developer, molecular, acellular, misdemeanour, investiture, corregidor, text editor, room temperature, embezzler, competitor, ctenophore, machine gunner, rainbow runner, scarlet runner

5 syllables:
body temperature, intracellular, primogenitor, extracellular, curie temperature, city editor, copy editor, linkage editor, marathon runner

6 syllables:
managing editor, differentiator, absolute temperature

7 syllables:
capital expenditure