a thing for, affinity, aptitude, aptness, assailability, bent, bias, cast, chink, conatus, conduciveness, delight, diathesis, disposition, eagerness, exposed nerve, feeling for, fondness, heel of Achilles, inclination, leaning, liability, liking, loophole, nerve ending, penchant, penetrability, predilection, predisposition, pregnability, prejudice, probability, proclivity, proneness, propensity, raw, raw nerve, readiness, sensitivity to, sore point, sore spot, susceptibility, taste, tendency, tender spot, the quick, tropism, turn, twist, vincibility, vulnerability, vulnerable point, warp, weak link, weak point, weakness, willingness