Ключевые слова: advocacy, ancient, bastion, bulwark, calculus, citadel, concretion, defense, dependability, fastness, firmness, fortress, gum, hardiness, hardness, historic, historical, old, protection, rampart, reliability, rock, rough, rude, safety, scale, security, shield, side, solidity, stone, strength, stronghold, tower, trustworthiness, vindication, wall,