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, smiter, tighter, titer, titre, triter, weiter, whiter, 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, firefighter, firelighter, first-nighter, gagwriter, gauleiter, ghost-writer, ghostwriter, gunfighter, 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, speechwriter, sportswriter, 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, 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, briber, gaidar, gidar, ichor, maiger, schneider, snyder, stridor, weicker

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, asp viper, barn spider, east-sider, hans geiger, mulled cider, nerve fibre, night rider, plant fiber, plant fibre, sand tiger, sand viper, west-sider

4 syllables:
bengal tiger, windshield wiper, water strider, dolphin striker, muscle fiber, candy striper, castor fiber, common viper, dispatch rider, garden spider, genus piper, horseback rider, hunting spider, muscle fibre, neofiber

5 syllables:
acrylic fiber, optical fiber, voltage divider, optical fibre, animal fiber, animal fibre, health care provider, natural fiber, natural fibre, rodeo rider, supercollider, synthetic fiber, vascular spider

6 syllables:
polyester fiber, potential divider, tasmanian tiger

7 syllables:
black and gold garden spider, european wolf spider

10 syllables:
superconducting supercollider