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

• rectifiers
• rectifies
• rectify
• rectifying
• rectilineal
• rectilineally
• rectilinear
• rectilinearities
• rectilinearity
• rectilinearly
• rection
• rections
• rectipetalies
• rectipetalities
• rectipetality
• rectipetaly
• rectirostral
• rectiserial
• rectitic
• rectitis
• rectitises
• rectitude
• rectitudes
• rectitudinous
• recto