Words That Rhyme With "Regretful" :
2 syllables:
doubtful, fateful, fitful, fretful, hateful, hatful, headful, kegful, plateful, potful, septfoil, skepful, snootful, spiteful, thoughtful, zestful
3 syllables:
deceitful, delightful, despiteful, eventful, forethoughtful, forgetful, neglectful, resentful, respectful, unthoughtful