2 syllables:
ayers, briars, bryars, buyer's, buyers, buyers', byars, byers, byers', criers, driers, dryers, dyers, fire's, fires, fliers, flyers, friars, fryars, fryers, glires, grier's, highers, hires, hyers, i'ers, liars, meier's, meiers, meyer's, meyers, miers, pliers, plyers, priors, pryor's, pyres, quires, shyers, smyers, spiers, squiers, squires, stiers, styers, swyers, syers, tires, triers, tyres, viars, wires, wyers

3 syllables:
acquires, appliers, aspires, backfires, balefires, blackfriars, blowdryers, bonfires, campfires, ceasefires, conspires, decriers, defiers, deniers, desires, doubtfire's, doubtfires, enquires, entires, expires, grandsires, hairdryers, high-fliers, highfliers, homebuyers, inquires, longmeyer's, misfires, nightflyers, punch pliers, quagmires, repliers, requires, respires, retires, rewires, satires, sentires, spintires, spitfires, supplier's, suppliers, suppliers', suspires, transpires, uighurs, umpires, vampyres, van-pires, wildfires

4 syllables:
amplifiers, certifiers, clarifiers, classifiers, codifiers, didemeyer's, falsifiers, fortifiers, gentrifiers, justifiers, locking pliers, magnifiers, modifiers, mollifiers, multipliers, mystifiers, nullifiers, occupiers, overtires, pacifiers, praemunires, prophesiers, purifiers, qualifiers, quantifiers, ratifiers, rectifiers, rib joint pliers, sanctifiers, scarifiers, signifiers, sommeliers, specifiers, staffordshire's, terrifiers, testifiers, typifiers, unifiers, verifiers, versifiers, vilifiers

5 syllables:
acidifiers, demulsifiers, emulsifiers, hecatoncheires, hekatonkheires, humidifiers, identifiers, indemnifiers, intensifiers, preamplifiers

6 syllables:
dehumidifiers, euarchontoglires, formula one tyres, photomultipliers, pretty little liars

9 syllables:
2021 turkish wildfires

11 syllables:
2021 california wildfires