Rensing rhymes with:
bensing, commencing, condensing, dispensing, ensing, expensing, fencing, lensing, mensing, sensing
Rensing sounds like:
ranching, ranging, rangoon's, ranking, rankings, rankins, ransacking, ransom's, ransoms, rearranging, reinking, remaking, reminiscence, reminiscences, reminiscing, remissions, renaissance, renaissance's, reneging, renouncing, ringing, ringneck, rinsing, romancing, rummaging