Masterly rhymes with:
easterly, esterly, northeasterly, northwesterly, westerly, bitterly, easterly, esterly, fetterly, northeasterly, northwesterly, painterly, quarterly, satterly, shetterly, sitterly, utterly, westerly
Masterly sounds like:
magisterial, menstrual, ministerial, ministral, minstrel, mistral, mistrial