Subfamily rhymes with:
abnormally, abysmally, amalie, anomaly, dismally, dymally, emelie, emilie, facsimile, family, formally, gloomily, homily, informally, minimally, multifamily, normally, remaley, remaly, steamily, supremely, trincomalee
Subfamily sounds like:
spaniel, spaniol, spinal, spinale, spinella, spinelli, spinello, spinola