Synonyms of 'atavism'

age, antiquity, backset, eld, engram, inveteracy, lapse, memory, mind, mneme, old age, old style, primogeniture, primordiality, recollection, recrudescence, recurrence, regression, relapse, remembrance, renewal, return, reversal, reverse, reversion, senility, seniority, skill, souvenir, throwback