3 syllables:
-orial, auriol, boreal, choreal, chorial, correal, correale, floreal, loreal, morial, oorial, orial, oriel, spnsorial, storial

4 syllables:
arboreal, armorial, auctorial, authorial, cantorial, doctorial, enchorial, escorial, factorial, flonorial, fossorial, gressorial, haustorial, historial, manorial, memorial, motorial, pictorial, praetorial, pretorial, primorial, proctorial, quaestorial, raptorial, rasorial, rectorial, risorial, rosorial, sartorial, scansorial, sectorial, seignorial, subboreal, suctorial, tectorial, tensorial, tentorial, textorial, tinctorial, tonsorial, tutorial, uxorial, vectorial

5 syllables:
accessorial, adaptorial, advertorial, amatorial, ancestorial, archesporial, assertorial, assessorial, auditorial, categorial, circumboreal, clamatorial, conductorial, consistorial, curatorial, decretorial, dictatorial, directorial, editorial, electorial, epichorial, equatorial, escritorial, grallatorial, gustatorial, hemiboreal, hemochorial, immemorial, infusorial, insessorial, inspectorial, institorial, inventorial, janitorial, lavatorial, minatorial, monitorial, natatorial, nonarboreal, oratorial, piscatorial, precentorial, preceptorial, prefatorial, prefectorial, professorial, protectorial, purgatorial, repertorial, reportorial, responsorial, saltatorial, senatorial, spectatorial, subfactorial, territorial, territoriale, translatorial, venatorial, visitorial, volitorial

6 syllables:
accusatorial, agitatorial, ambassadorial, ambulatorial, combinatorial, commentatorial, compositorial, compromissorial, conservatorial, conspiratorial, dedicatorial, embassadorial, executorial, expurgatorial, exterritorial, gladiatorial, gubernatorial, imperatorial, inquisitorial, intercessorial, legislatorial, mediatorial, multi-factorial, multifactorial, nomenclatorial, nonterritorial, omnicorporeal, phantasmagorial, procuratorial, progenitorial, proprietorial, prosecutorial, speculatorial, subeditorial, subequatorial, superfactorial, supratentorial, time immemorial, unifactorial, visitatorial

7 syllables:
epitheliochorial, extra-territorial, extraterritorial, improvisatorial, infraterritorial, interterritorial, intraterritorial, in an editorial, with an editorial

2 syllables:
carryall

3 syllables:
prairial, aerial, cereal, burial, serial

4 syllables:
bacterial, venereal, imperial, ethereal, material, mercurial

5 syllables:
immaterial, crown imperial, adversarial, magisterial, raw material

6 syllables:
antimalarial, antibacterial, entrepreneurial

7 syllables:
composite material