1 syllable:
-eous, -less, -tious, brosse, brus, bruss, bus, buss, busse, cba sce, clous, croise, crous, cr ccis, cus, cuss, fluss, fress, fuhs, fuss, gres gris, gruss, gus, guss, huss, klus, krus, kus, kuss, kyuss, lsass, ltspice, muhs, musse, nuss, nusse, pholas, plisse, plus, pluss, prma hs, prus, pruss, pspice, pus, puss, pvris, qwg cis, rndis, rus, russ, russe, scgis, schluss, schuss, shas, sluss, smbus, smr mis, struss, stuss, sus, suss, swisse, thrace, thus, thuss, tm mis, trus, truss, ttp hus, tusse, us, vl-bus, vtmis, wass, whmis, wuss, xus

2 syllables:
a-plus, abrus, adjusts, baitbus, barfuss, boltbus, careplus, concuss, cost-plus, cottbus, discuss, donruss, einfluss, erdnuss, excuss, funplus, ghattas, goldfus, gyruss, homerus, hpcode-plus, huertas, incuss, kingtruss, kottbus, loveplus, mistrusts, narus, netbus, non-pluss, nonplus, nonpluss, oneplus, opruss, pageplus, percuss, pileus, postbus, rambus, redbus, schoolbus, school bus, shortbus, succuss, untruss, vanhuss, walnuss, wrightbus

3 syllables:
adblock plus, banderas, camping bus, charlotte russe, cytisus, eurailpass, express bus, genus sus, gloomy gus, haselnuss, hasenfus, interfluous, minibus, muckenfuss, okenfuss, papenfuss, pelorus, repercuss, sasha luss, shuttle bus, subterfluous, superfluous, treasonous

4 syllables:
eleven-plus, the venture bros.

5 syllables:
simulations plus

6 syllables:
chamaecytisus

2 syllables:
baptise, baptists, cactus, practice

3 syllables:
crab cactus, euphractus, law practice, malpractice, skull practice, vine cactus

4 syllables:
barrel cactus, christmas cactus, dental practice, easter cactus, ferocactus, hedgehog cactus, melocactus, orchid cactus, out of practice, redbird cactus, russian cactus, target practice, zygocactus

5 syllables:
aporocactus, echinocactus, medical practice, mistletoe cactus, myrtillocactus, pediocactus, prickly pear cactus, thanksgiving cactus

6 syllables:
golden barrel cactus