دوام (اسم)
abidance, persistence, durability, permanence, life, strength, substance, continuity, subsistence, continuance, solidity, persistency, perdurability, perpetuity, permanency
سختی (اسم)
resistance, hardship, privation, rigor, intensity, calamity, distress, severity, violence, tenacity, adversity, hardness, difficulty, trouble, discomfort, rigidity, inclemency, solidity, intension, obstruction, complication, problem, cumber, implacability, inexorability, inflexibility, rigorism
استحکام (اسم)
resistance, strength, substance, backbone, rigidity, stability, fortification, solidity, stableness, consistency, solidification, consistence, formidability, grit, granite, staying power
استواری (اسم)
constancy, backbone, stability, solidity, stableness, stabilization, fixity, formidability, fastness, immovability, impregnability
ضخامت (اسم)
density, width, solidity, stoutness, thickness
سفتی (اسم)
tension, tenacity, hardness, density, rigidity, solidity, firmness, stiffness, tightness, fastness, toughness
محکمی (اسم)
stability, solidity, firmness, fastness
جمود (اسم)
inanition, solidity