2 syllables:
beiter, biter, blighter, brighter, citer, deiter, dighter, eiter, fighter, flighter, heiter, kiter, knitr, kreiter, leiter, lighter, lyter, miter, mitre, nighter, niter, pitre, plighter, reiter, reitter, righter, riter, ruyter, schneiter, schreiter, seiter, seitter, sighter, slighter, sluyter, slyter, tighter, titer, titre, triter, weiter, whiter, writer, write her, zeiter

3 syllables:
affrighter, al-fitr, all-nighter, backbiter, begleiter, blassreiter, blastfighter, blockleiter, braillewriter, bullfighter, bushfighter, chapitre, checkwriter, chiwriter, clayfighter, cockfighter, cowriter, crime-fighter, delighter, despite her, dogfighter, downlighter, ex-fighter, excitar, exciter, film writer, firefighter, firelighter, first-nighter, folk writer, gagwriter, gauleiter, ghost-writer, ghostwriter, gunfighter, hack writer, highlighter, igniter, incitar, inciter, indicter, inditer, infighter, inviter, invite her, jetfighter, kicklighter, lamplighter, midnighter, moonlighter, news-writer, newswriter, pit-fighter, playwriter, prize-fighter, prizefighter, reciter, reichsleiter, requiter, rewriter, scorewriter, screenwriter, scriptwriter, signwriter, skywriter, songwriter, space writer, speechwriter, sportswriter, sports writer, starfighter, streetfighter, street fighter, sunfighter, surfeiter, sweetnighter, telewriter, typewriter, uplighter, warfighter, wheelwriter

4 syllables:
copyrighter, copywriter, displaywriter, dynamiter, eid-ul-fitr, eid al-fitr, engeleiter, eurofighter, expediter, fire fighter, flugbegleiter, fly-by-nighter, imagewriter, laserwriter, letter writer, overnighter, pocket lighter, story-writer, storywriter, underwriter

5 syllables:
abteilungsleiter, cigarette lighter, codeigniter, singer-songwriter, teletypewriter

6 syllables:
electric typewriter, forest fire fighter

7 syllables:
insurance underwriter, sixth-generation fighter

8 syllables:
lockheed f-104 starfighter

2 syllables:
sniper, striker, slider, wiper, striper, cyder, tiger, scriber, fibre, fiber, geiger, eider, piper, glider, cider, tiber, viper, rider, hiker, cyber, spider, highchair, wider, diaper, ryder, liger, hyper

3 syllables:
red spider, insider, hang glider, subscriber, sea spider, collider, provider, outsider, wolf spider, hard cider, nerve fiber, glass fibre, horned viper, divider, sweet cider, imbiber, glass fiber, pit viper, bast fiber, rough rider

4 syllables:
bengal tiger, windshield wiper, water strider, dolphin striker, muscle fiber, candy striper

5 syllables:
acrylic fiber, optical fiber, voltage divider, optical fibre