Synonyms and related words :
abidingness, absoluteness, accuracy, adamantness, attention to fact, care for truth, changelessness, concentration, constancy, correctness, delicacy, dourness, durability, durableness, duration, endurance, exactitude, exactness, faithfulness, faultlessness, fidelity, fineness, firmness, firmness of mind, fixedness, flawlessness, flintiness, frozenness, fundamentalism, grimness, hard-bittenness, hard-nosedness, hardening, hardness, immobility, immobilization, immovability, immovableness, immutability, implacability, impliability, inelasticity, inertia, inexorability, inextricability, inflexibility, intransigeance, intransigence, intransigency, intransigentism, invariability, invariableness, inveteracy, irreconcilability, irremovability, lastingness, literalism, literality, literalness, long standing, loyalty, mathematical precision, meticulousness, niceness, nicety, obduracy, obdurateness, obstinacy, orthodoxy, perfection, permanence, permanency, perpetualness, persistence, persistency, preciseness, precisianism, precision, purism, puritanism, quiescence, refinement, relentlessness, renitence, renitency, right, rightness, rigidness, rigor, rigorism, rigorousness, settledness, severity, solidity, stability, standing, starchiness, stasis, staunchness, steadfastness, steadiness, steeliness, sternness, stiff temper, stiffness, strictness, stubbornness, subtlety, tautness, tenseness, tension, tensity, textualism, the letter, tightness, torpor, toughness, trueness, unalterability, unbendingness, unchangeability, unchangingness, uncompromisingness, ungivingness, unmovability, unrelentingness, unyieldingness, vis inertiae