advertence, advertency, alertness, application, ardor, assiduousness, attention, attention span, attentiveness, awareness, bulldog tenacity, care, concentration, consciousness, consideration, constancy, diligence, dogged perseverance, doggedness, ear, earnestness, endurance, energeticalness, energy, engrossment, fervor, fidelity, heed, heedfulness, indefatigability, industriousness, industry, insistence, insistency, intentiveness, intentness, laboriousness, loyalty, mindfulness, note, notice, observance, observation, obstinacy, pains, painstaking, painstakingness, patience, patience of Job, permanence, perseverance, persistence, persistency, pertinaciousness, pertinacity, plodding, plugging, preoccupation, regard, regardfulness, relentlessness, remark, resolution, respect, sedulity, sedulousness, single-mindedness, singleness of purpose, slogging, stability, stamina, staying power, steadfastness, steadiness, stick-to-itiveness, strenuousness, stubbornness, tenaciousness, tenacity, thoroughgoingness, thoroughness, thought, tirelessness, unremittingness, unsparingness, unswerving attention, vehemence, zealousness