Retreat rhymes with:
mistreat, st, street, streett, treat, breit, concrete, crete, discreet, discrete, excrete, freet, greet, grete, indiscreet, kriete, mistreat, prete, secrete, st, street, streett, threatt, threet, treat
Retreat sounds like:
rathert, rehydrate, reiterate, reiterated, retard, retarded, retired, retort, retorted, retread, retreated, retried, rodarte, rotert, rothert, rudyard