Freshen rhymes with:
aggression, compression, decompression, depression, digression, discretion, expression, impression, indiscretion, misimpression, nonaggression, oppression, progression, regression, repression, suppression, transgression
Freshen sounds like:
farahkan, farrakhan, farson, fearsome, fergason, fergeson, ferguson, fergusson, ferrigno, firesign, forcum, foregone, foreign, foreseen, foreskin, foresman, forgione, forgone, forsaken, forshan, forsman, forson, foursome, frazzano, frazzini, freshman, freshmen, fresno, fricano, frierson, friesen, friesenhahn, frieson, frigon, frishman, frisina, friskin, frison, frogman, frogmen, frozen, frusen, furgason, furgeson