Find the Synonyms: Perseverance and Fortitude Words

ailing, centenarian, chronic, climb, composure, crucible, endure, eternal, faithful, faithfulness, fatigue, forbearance, forbearing, grueling, hardship, hardy, hibernate, imperturbable, indelible, indomitable, intransigent, longevity, martial, martyrdom, millennium, patient, perpetual, perpetuity, persevere, prevail, progeny, resilience, resilient, resist, rigor, secondary, stamina, stoic, sturdy, suffering, sustain, tirade, unrelenting, volunteer