2 syllables:
biser, die zur, dizer, fiser, fizer, geyser, geysir, griser, guiser, heizer, hiser, hisor, hizer, hyser, hyzer, iser, isere, kaiser, kaizer, keizer, keyser, kiser, kisor, kizer, kyzer, miser, mizer, niser, pfizer, pizer, priser, prisere, prizer, riser, rizer, rizor, schweizer, seisor, siser, sizer, speiser, tizer, viser, visor, vizer, wiser, wisor, wyser

3 syllables:
adviser, advise her, advisor, aiguiser, anheuser, apprizer, assizer, assizor, baptizer, chastiser, dekeyser, despiser, despise her, deviser, devisor, disguiser, disseisor, divisor, franchiser, franchisor, grendizer, hi-riser, hulsizer, incisor, lighthizer, pavisor, peptizer, provisor, quantizer, reseizer, reviser, revisor, sun visor, surmiser, surpriser, surprise her, unwiser, waywiser, wickizer

4 syllables:
advertiser, advertizer, aggrandizer, agrivisor, alkaliser, alkalizer, analyser, analyzer, angliciser, anodizer, appetiser, appetizer, appletiser, atmolyzer, atomiser, atomizer, authoriser, authorizer, autoriser, avalizor, botanizer, breathalyser, breathalyzer, cafetizer, canoniser, canonizer, carboniser, carbonizer, catalyzer, centraliser, centralizer, christianizer, chronovisor, circumciser, civilizer, coloniser, colonizer, colorizer, compromiser, criticiser, criticizer, crystallizer, customizer, deionizer, demonizer, dialyzer, digitiser, digitizer, dogmatizer, dramatizer, electrizer, empathizer, energiser, energizer, enfranchiser, enterpriser, equaliser, etherizer, eulogizer, euphemizer, evilsizer, evilsizor, exerciser, exorciser, fantasizer, faradizer, fertilizer, finalizer, formaliser, formalizer, fraterniser, fraternizer, galvaniser, galvanizer, globaliser, globalizer, gormandizer, gourmandizer, harmoniser, harmonizer, hellenizer, humanizer, hybridiser, hybridizer, hypervisor, hypnotiser, hypnotizer, idealizar, idealizer, idoliser, idolizer, immuniser, immunizer, improviser, improvisor, iodizer, ioniser, ionizer, ironiser, ironizer, itemizer, journalizer, latiniser, latinizer, legalizar, liberalizer, lionizer, liquidiser, liquidizer, localiser, localizer, magnetizer, maximiser, maximizer, mazinkaiser, mechanizer, melodizer, memoriser, memorizer, merchandiser, mesmerizer, methodizer, minimiser, minimizer, mobilizer, modelizer, modernizer, moisturiser, moisturizer, monarchizer, moraliser, moralizer, mythicizer, nebuliser, nebulizer, neutraliser, neutralizer, normaliser, normalizer, odorizer, optimizer, organizer, osterizer, oxidiser, oxidizer, paganizer, palletizer, paralyzer, pasteuriser, pasteurizer, patroniser, patronizer, pelletizer, plagiariser, plagiarizer, plasticiser, plasticizer, platonizer, poetizer, polarizer, pollenizer, pollinizer, pressurizer, prologizer, publicizer, pulveriser, pulverizer, randomizer, rasterizer, realiser, realizer, rebaptizer, recogniser, recognisor, recognizer, recognizor, rittereiser, romanizer, sanitiser, sanitizer, satirizer, scandaliser, scandalizer, scrutiniser, scrutinizer, sensitiser, sensitizer, sermonizer, socialiser, socializer, specialiser, specializer, stabilizer, standardiser, standardizer, steriliser, sterilizer, stigmatizer, subsidiser, subsidizer, subtilizer, summariser, summarizer, superviser, supervisor, supravisor, syllogiser, syllogizer, symbolizer, sympathiser, sympathizer, synchroniser, synchronizer, synthesiser, synthesizer, syntonizer, systemizer, tantaliser, tantalizer, televisor, temporiser, temporizer, tenderizer, terrorizer, thagomizer, theorizer, tokenizer, tranquilizar, tranquilizer, tripadvisor, tyrannizer, unionizer, utilizar, utilizer, vaporiser, vaporizer, vapourizer, verbaliser, verbalizer, visualiser, visualizer, vocaliser, vocalizer, volumizer, vulcaniser, vulcanizer, vulgariser, vulgarizer, weatherwiser, womaniser, womanizer

5 syllables:
acclimatizer, actualiser, allegorizer, alphabetiser, alphabetizer, anatomizer, anonymizer, anthologizer, apologizer, aromatiser, aromatizer, bowdlerizer, channeladvisor, characterizer, circularizer, coequalizer, common divisor, complementizer, conceptualizer, decarbonizer, decolorizer, dehumanizer, demagnetiser, demagnetizer, demoralizer, deodoriser, deodorizer, deoxidiser, deoxidizer, depolarizer, desensitiser, desensitizer, desulfurizer, disorganizer, economiser, economizer, electrolyzer, epistolizer, epitomizer, evangelizer, extemporizer, formularizer, generalizer, homeadvisor, homogeniser, homogenizer, homologizer, hypothesizer, idealiser, immobilizer, initializer, legitimizer, literalizer, lyophilizer, metabolizer, mineralizer, monopoliser, monopolizer, mythologizer, nationalizer, philosophizer, popularizer, propagandizer, proselytiser, proselytizer, rationalizer, reorganiser, reorganizer, robo-advisor, secularizer, skeletonizer, soliloquizer, spiritualizer, subvocalizer, systematizer, theologiser, theologizer

6 syllables:
addresssanitizer, americanizer, anathematizer, attitudinizer, autoanalyzer, biofertilizer, chemosensitizer, cytoanalyzer, demineralizer, demythologizer, epigrammatizer, gyrostabilizer, hemodialyzer, investment adviser, investment advisor, materializer, memorializer, photosensitiser, photosensitizer, pulse height analyzer, revolutionizer

7 syllables:
editorializer, greatest common divisor, organic fertilizer, radiosensitizer, vertical stabilizer

8 syllables:
differential analyzer, horizontal stabilizer

4 syllables:
genus cicer, genus physeter