2 syllables:
birring, blurring, burring, cering, chirring, churring, during, firring, flouring, furring, hering, heuring, kering, purring, schering, scheuring, schuring, shirring, slurring, spurring, stirring, suring, tering, vering, were hung, whirring

3 syllables:
averring, bestirring, chauffeuring, concurring, conferring, cooccurring, deblurring, deferring, demurring, deterring, honouring, incurring, inferring, occuring, occurring, preferring, recurring, refering, referring, soul-stirring, transfering, transferring

4 syllables:
discolouring, dishonouring, disinterring, inconcurring, non-recurring, nonrecurring, randonneuring, reoccurring

2 syllables:
shoring, scoring, boring, hearing, barring, rearing, soaring, mooring, tiring, cheering, curing, snoring, earring, firing, jeering, veering, wiring, pouring, steering, hiring, sneering, warring, jarring, fearing, flooring, shearing, storing, starring, touring, clearing, sparring, gearing, roaring, airing, baring, bearing, blaring, caring, daring, erring, flaring, glaring, herring, meringue, nearing, pairing, paring, raring, scaring, sharing, sparing, staring, swearing, tearing, wearing

3 syllables:
insuring, outpouring, veneering, rehearing, enduring, securing, imploring, aspiring, appearing, inspiring, alluring, assuring, flavouring, adoring, endearing, exploring, expiring, retiring, restoring, towering, acquiring, perspiring, untiring, maturing, ball bearing, comparing, cone-bearing, conspiring, debarring, declaring, despairing, drop earring, ensuring, forbearing, forswearing, god-fearing, gold-bearing, ignoring, inpouring, lake herring, load-bearing, long-wearing, nonbearing, preparing, red herring, repairing, requiring, rip-roaring, sheepshearing, smoked herring, thrust bearing, time sharing, uncaring, unerring, unfearing, unhearing, unsparing, young-bearing

4 syllables:
volunteering, domineering, umpiring, power steering, reassuring, buccaneering, interfering, engineering, disappearing, uninspiring, overpowering, persevering, racketeering, awe-inspiring, cheeseparing, colored hearing, hard-of-hearing, journal bearing, needle bearing, overbearing, pendant earring, pioneering, profit sharing, rocket firing, roller bearing, sense of hearing, shoe repairing, sloganeering, talebearing, unforbearing

5 syllables:
electioneering, atlantic herring, energy-storing, heraldic bearing, king of the herring, organ of hearing, pacific herring, unreassuring

6 syllables:
civil engineering, bioengineering, confirmation hearing, naval engineering

7 syllables:
genetic engineering, chemical engineering, administrative hearing, nuclear engineering

8 syllables:
electrical engineering, mechanical engineering, automotive engineering

9 syllables:
aeronautical engineering, architectural engineering

10 syllables:
master of science in engineering

11 syllables:
bachelor of science in engineering