What is the suffix for cast?

cast, castalian, castanea, castanet, castanets, castaway, castaways, caste, casted,casteism, casteisms, casteless, castellan, castellanies, castellans, castellany,castellated, castellation, caster, casters, castes, castigate, castigated, castigates,castigating, castigation, castigations, castigator, castigators, castigatory, castile,castilian, castillan, casting, castings, castle, castlebuilder, castled, castlery, castles,castlet, castleward, castling, castoff, castoffs, castor, castoreum, castorin, castorite,castors, castrametation, castrate, castrated, castrates, castrati, castrating, castration,castrations, castrato, castrator, castrators, castrel, castrensial, castrensian, castro,casts.