1 syllable:
bleise, breece, buice, cease, cece, cimss, cleese, crease, cuisse, d-nice, dease, deess, deice, deise, fleece, freise, friess, gees, geese, giese, grease, grece, greece, griess, haese, kiess, kneece, kniess, lease, leece, leese, leise, liess, maese, meece, meese, meise, miesse, neace, neece, neice, neiss, neisse, nice, niece, niess, paese, peace, pease, peece, peice, piece, preace, prece, preece, prese, priess, quice, rease, reece, reese, reise, rhys, riess, schiess, seis, seise, siess, speece, suisse, tese, trece, treece, t sce, weise, wiess, yeas, zeese

2 syllables:
a-reece, abreise, adris, ahlspiess, alease, alise, allweiss, ameise, andris, apiece, aris, assise, at peace, audris, back-piece, backpiece, bailpiece, balise, bedpiece, begrease, bernice, bojnice, broadpiece, brocious, buslease, canice, capece, caprice, ccsse, ceris, cerise, chambless, charisse, cheekpiece, cherise, chesspiece, chess piece, chojnice, cirice, clarice, clarisse, comece, cottise, crosspiece, crownpiece, decease, decrease, degrease, delis, denice, denise, devries, dispeace, disseise, driftpiece, edris, eglise, elise, encrease, eyepiece, fabrice, falise, felice, fieldpiece, fur-piece, g-police, gilcrease, goose grease, grandniece, great-niece, greenpeace, hadise, hair grease, handpiece, hardiesse, headpiece, heelpiece, idris, increase, indris, invece, janiece, jeanice, katrice, kilcrease, kneepiece, knee piece, laicise, latrice, lectrice, lend-lease, lollis, lucrece, luis, macneice, magness, make-peace, make peace, markese, maryse, maurice, mccleese, mcneece, mcneese, mcneice, merise, molise, mouthpiece, narcis, nosepiece, obese, ogc nice, one-piece, patese, patrice, perdis, pieris, police, raptis, ravi's, re-lease, release, ridgepiece, rundreise, sarkese, seapiece, set-piece, set piece, shankpiece, shenice, showpiece, sidepiece, spanpiece, sparpiece, starpeace, stringpiece, sublease, surcease, synthese, tailpiece, three-piece, timepiece, toepiece, toppiece, tunis, two-piece, unece, unpeace, valise, vanness, vantrease, vantreese, vorspeise, wool grease, workpiece

3 syllables:
after-piece, afterpiece, altadis, altar-piece, altarpiece, amatrice, ambergrease, ambergreece, annelise, antithese, bbc's, berenice, bestialise, brutalise, burglarise, by the piece, calidris, cannulise, cantatrice, caponise, capparis, carbonise, carburise, centerpiece, centralise, centre-piece, centrepiece, channelise, chimney-piece, chimneypiece, cockatrice, colourise, crystalise, dentalise, dieselise, dimerise, divinise, dualise, dvb-s, ebonise, elbow grease, equalise, etherise, fellatrice, felo-de-se, focalise, formalise, fricatrice, frontispiece, gertrudis, globalise, golden fleece, gospelise, grangerise, hustopece, kikladhes, kiss of peace, legalese, lendlease, localise, lyonnesse, mantelpiece, mantlepiece, marmalise, martyrise, masterpeace, masterpiece, matthew rhys, mercerise, mongrelise, motherese, nasalise, navarrese, neutralise, normalise, notarise, odorise, odourise, opalise, ozonise, paganise, patinise, pauperise, picturise, pilates, pipe of peace, podsolise, powderise, pre-release, predecease, prerelease, press release, ptyalise, racialise, re-release, reincrease, rerelease, reserveese, severalise, siennese, slenderise, slow-release, solubilise, sorcerise, specialise, stabilise, sulphurise, summarise, summerise, syntheses, tax-increase, thermalise, time-release, timed-release, totalise, underlease, valrelease, vaporise, vectorise, viennese, vitalise, vocalise, volubilis, vowelise, vulgarise, work-release

4 syllables:
animalise, aviatrice, bourg-saint-maurice, bowdlerise, breach of the peace, calculatrice, cannibalise, caramelise, catheterise, codpiece, commercialise, contemporise, decarbonise, decarburise, decimalise, decolourise, defeminise, deodorise, desulphurise, disasterpeace, discolorise, discolourise, effeminise, endonuclease, evangelise, federalise, galliardise, generalise, george i of greece, governmentese, hospitalise, illegalise, infantilise, initialise, insolubilise, irianese, isomerise, kaolinise, keratinise, kingdom of greece, liberalise, linearise, literalise, lyophilise, medicalise, officialise, palatalise, peloponnese, period piece, permeablise, petrosynthese, photophores, photosynthese, potentialise, regionalise, renormalise, ribonuclease, ritualise, sangiovese, secret police, segmentalise, sensualise, sexualise, spiritualise, subvocalise, surinamese, transistorise, vietnamese, xanthophores

5 syllables:
a244-s, archaeoindris, capital of greece, compartmentalise, contextualise, conversation piece, copolymerise, demineralise, denaturalise, depolymerise, desexualise, electrophorese, exteriorise, improvvisatrice, interiorise, iridophores, justice of the peace, melanophores, monumentalise, municipalise, occidentalise, overspecialise, peripheralise, professionalise, remineralise, sentimentalise, universalise, unsubstantialise

6 syllables:
disturbance of the peace, indo-surinamese, intellectualise, list of islands of greece, military police

7 syllables:
constantine ii of greece, deoxyribonuclease

10 syllables:
royal canadian mounted police