Triangle's rhymes with:
triangles, triangles, triangles, rectangles, triangles, angles, bangles, bengals, bojangles', dangles, dingell's, engels, gingles, ingels, ingles, jingles, jungels, jungles, mangels, mangles, mingles, mongols, nightengale's, nightengales, pringle's, rectangles, shingles, singles, tangles, triangles, wrangles
Triangle's sounds like:
tranquilize, transalaska, translogic, transsexuals, triangles