Sectoral rhymes with:
directoral, electoral, pectoral, directoral, doctoral, electoral, pectoral, postdoctoral, bilateral, collateral, dieterle, directoral, doctoral, electoral, guttural, lateral, literal, litteral, littoral, multilateral, oesterle, pastoral, pectoral, plurilateral, postdoctoral, trilateral, unilateral
Sectoral sounds like:
satterlee, satterly, shetterly, sitterly, southerly, stairwell, statutorily, sterile, sterle, storlie, strahl, strahle, straley, strehl, strehle, strehlow, strelow, strohl, strole, stroll, strollo