Excrete rhymes with:
discreet, discrete, indiscreet, concrete, crete, discreet, discrete, indiscreet, kriete, secrete
Excrete sounds like:
echard, eckard, eckardt, eckart, eckerd, eckert, eckhard, eckhardt, eckhart, eckrote, eckroth, egert, eggert, egret, eisert, ekkehard, escort, escorted, escrowed, esworthy, euchred, exaggerate, exaggerated, excoriate, excoriated, exert, exerted, exhort, exhorted