1 syllable:
bcciv, beeve, biev, bleve, breve, btrieve, cheve, chieve, cleave, cleeve, cleve, deave, driev, eave, eve, gleave, greave, greeve, greve, grieve, heave, keeve, kieve, kleve, leave, leve, lieve, meave, naeve, neave, neve, nieve, peeve, preve, prieve, r-kive, reave, reeve, scheve, seave, sheave, shreeve, shreve, shrieve, sleave, slieve, steeve, steve, stieve, theave, thieve, threave, vive, we've, weave, weive, yves

2 syllables:
abbrev, achieve, aggrieve, air-sleeve, aktiv, aleve, alleve, andreev, aptiv, asweve, aviv, beleave, believe, bereave, beriev, champleve, conceive, congreve, dativ, deceive, disleave, elleve, engrieve, foresleeve, forleave, frost heave, geneve, hoccleve, hogreeve, ingrieve, inweave, kharkiv, kursiv, landreeve, laneve, massiv, mccleave, naive, occleve, on leave, pensieve, perceive, plain weave, plovdiv, portgreve, portreeve, qui vive, rajiv, receive, recieve, relieve, remeve, repreve, reprieve, retrieve, reweave, sanjeev, sanjiv, shire-reeve, shirt-sleeve, shirtsleeve, shore leave, short-sleeve, sick leave, stativ, take leave, twill weave, unreave, unreeve, unweave, upheave, vancleve, way-leave, wayleave, youlgreave

3 syllables:
ablativ, adjektiv, amevive, apperceive, attraktiv, autoliv, basket weave, bijektiv, by-your-leave, chernihiv, christmas eve, concrescive, datatrieve, debaltseve, dekorativ, detektiv, disbelieve, effektiv, explosiv, foreconceive, genevieve, gildersleeve, hololive, ibuleve, injektiv, interleave, interweave, isogriv, killing eve, kollektiv, kondratiev, leitmotiv, lukrativ, maariv, maharive, make-believe, make.believe, makebelieve, mendeleev, misbelieve, misbileve, misconceive, misperceive, misreceive, new year's eve, objektiv, ochakiv, open weave, oversleeve, ovintiv, preconceive, prokofiev, rpg-7, satanjeev, satin weave, semibreve, soloviev, st john's eve, subjektiv, surjektiv, tel-aviv, tel aviv, undeceive, underheave, undershrieve, undersleeve, yestereve, zinoviev

4 syllables:
akkusativ, alice eve, all about eve, diablo iv, fc dynamo kyiv, imperativ, interaktiv, interreceive, kommutativ, midsummer eve, mourad aliev, nominativ, on the qui vive, overachieve, taffeta weave, tananarive, terminal leave, ticket-of-leave, treatment-naive, underachieve

5 syllables:
absence without leave, assoziativ, compassionate leave, dsm-iv, jessica yaniv, radioaktiv, rafael fiziev, sabbatical leave, sergei prokofiev

6 syllables:
starokostiantyniv

9 syllables:
europa universalis iv