Here's what rhymes with tightening.
brightening heightening lightening frightening enlightening Words that almost rhyme with tightening
widening ripening titling dialing dieting piloting likening pirating siphoning dialling livening licensing cycling rioting silencing entitling idling spiraling rivalling spiralling rivaling quieting enlivening sidling playacting sniveling libeling redialing redialling recycling disquieting motorcycling