atavism /atˈə-vi-zm/

1. The reappearance of ancestral, but not parental, characteristics
2. Reversion to an ancestral, or to a primitive, type

atavistˈic adjective

atavistˈically adverb

• out-paramours
• out-parish
• out-parishes
• outpart
• outparts
• outpassion
• outpassioned
• outpassioning
• outpassions
• out-patient
• out-patients
• outpeep
• outpeeped
• outpeeping
• outpeeps
• outpeer
• outpeered
• outpeering
• outpeers
• out-pension
• out-pensioned
• out-pensioner
• out-pensioners
• out-pensioning
• out-pensions