blurring, blurted, burning, bursting, chirping, churning, circling, curbing, curling, cursing, curving, during, earning, Erwin, flirting, gurgling, herded, herding, herdsmen, hurling, hurting, Irving, Irwin, jerking, learning, lurking, merging, Merlin, nursing, Perkins, purging, searching, serving, skirted, skirting, spurring, sterling, Stirling, stirring, sturgeon, surgeon, surging, swirling, thirsted, thirsting, turgid, turning, twirling, urging, verging, vermin, virgin, whirling, whirlwind, worded, wording, working, workmen, worsening, worsted, yearning

adverted, adverting, affirming, alerted, asserting, averting, concerning, concerted, concurring, conferring, confirming, conserving, converging, conversing, converted, converting, deferring, deserted, deserving, discerning, dispersing, disturbing, diverging, diverted, diverting, encircling, exerted, exerting, immersing, incurring, inferring, inserted, inserting, inverted, inverting, manoeuvring, observing, occurring, perverted, perverting, preferring, preserving, reasserted, recurring, referring, rehearsing, reserving, returning, reversing, reverted, reverting, subverted, transferring, traversing, unswerving, usurping

disconcerting, unconverted, undeserving, undetermined