Nigris rhymes with:
ambergris, denigris, alarice, ambergris, barris, boris, boris', borris, caris, carris, childress, chloris, claris, clarisse, clarrisse, clitoris, cypris, darice, delores, denigris, derus, dolores, dorice, dorris, duris, endress, fabris, faris, farris, fentress, ferraris, ferris, fitzharris, fitzmaurice, fitzmorris, floris, garis, garris, gehris, glaris, harris, harris', harriss, huntress, jeffress, juris, landress, lathouris, laurice, leatrice, loris, lyris, makris, marice, maris, marris, matrice, medaris, montgoris, morice, moris, nerice, norris, orris, paris, paris', parris, pectoris, pharris, poythress, puris, respress, sarris, seamstress, siris, solaris, sorice, souris, temptress, terris, tortorice, umphress, ventress, voris
Nigris sounds like:
nagorski, naysayers, nazer's, necrosis, negroes, negros, neikirk, new-jersey, new-jersey's, newkirk, newswires, niagara's, nicaragua, nicaragua's, nigeria's, nigger's, niggers, nongreek, nosair's, nucor's