Here's what rhymes with externing.
burning turning churning learning yearning darning returning discerning overturning concerning Words that almost rhyme with externing
affirming vermin squirming confirming reaffirming stirring sterling jerking purging chirping birthing perching purring spurring spurting working nursing searching serving bursting wording curling cursing curving exerting hurting lurking merging whirling blurring herding hurling surging swirling curbing flirting skirting surfing twirling verging lurching scourging shirking smirking swerving whirring yearling emerging observing occurring disturbing asserting deserving inserting diverting dispersing diverging alerting averting deferring deterring hurtling immersing inferring inverting subverting thirsting coercing disbursing perturbing perverting referring preserving converting preferring recurring conferring converging conversing reserving reversing traversing concurring conserving incurring rehearsing researching reworking manuring reverting unswerving usurping undeserving transferring disconcerting