2 syllables:
beula, beulah, bula, chula, ciulla, doula, dula, eula, foula, fulah, geula, gula, gyula, hula, khula, kula, lula, moola, moolah, muela, mula, rula, rule a, school a, shula, soula, tula, ula

3 syllables:
adula, afula, ajkula, al-'ula, azula, babula, badulla, bakula, bamboula, barbula, battoulah, betula, blastula, brotula, byculla, cebula, chartula, chermoula, cholula, cibula, cotula, cuculla, cytula, dambulla, davula, deafula, deptula, fatula, feldmuehle, ferula, fistula, infula, irula, kotula, lemuela, lunula, luzula, maaloula, masula, matula, medula, medulla, mikula, missoula, mobula, nakula, nasrullah, padula, paenula, pakula, panchkula, parula, pastula, perula, pikula, pilula, pribula, pyrrhula, radula, ranula, regula, rockula, rotula, rugulah, sabula, scrofula, scrophula, sekula, septula, serrula, setula, sointula, stellula, taboola, tallula, tallulah, torula, trishula, ulula, valvula, vedula, vistula, vitula, wauchula, zappulla, zonula

4 syllables:
acidula, ahaetulla, amarula, ampullula, anguillula, aputula, arambula, baramulla, be-bop-a-lula, caligula, campanula, catahoula, comatula, crepidula, cunnamulla, epistula, fuvahmulah, gallinula, garambulla, gurukula, habenula, hula-hula, ispaghula, kazungula, lacinula, latibula, lavandula, libellula, mandibula, nulla-nulla, pascagoula, patellula, porphyrula, propagula, querquedula, retinula, roridula, serratula, sonnambula, spetsopoula, tapachula, uvula, vaginula, valenzuela

5 syllables:
amphiblastula, archiblastula, battaramulla, canafistula, discoblastula, filipendula, incunabula, infundibula, mihirakula, rhodotorula, terebratula, tintinnabula, wurigumula