Deepening rhymes with:
cheapening, cheapening, corpening, dampening, happening, opening, reopening, ripening, sharpening, terpening
Deepening sounds like:
dabbing, daphne's, daphnis, dauphinais, davanzo, davinci, deafening, deafness, debonis, debunk, debunks, deepens, defence, defense, defense's, defenses, defiance, defines, defining, defying, devens, deviance, deviancy, devinci, devinci's, devins, diaphanous, difonzo, dipping, divens, diving, divining, dobbins, dobyns, doffing, dubbing, dubinsky