1 syllable:
bcciv, beeve, biev, bleve, breve, btrieve, cheve, chieve, cleave, cleeve, cleve, deave, driev, eave, 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, sleeve, slieve, steeve, steve, stieve, theave, thieve, threave, vive, we've, weave, weive, yves

2 syllables:
abbrev, achieve, aggrieve, air-sleeve, 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, wind sleeve, youlgreave

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

4 syllables:
akkusativ, diablo iv, fc dynamo kyiv, imperativ, interaktiv, interreceive, kommutativ, 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