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

• compassion
• compassionable
• compassionate
• compassionate discharge
• compassionate leave
• compassionately
• compassionateness
• compassioned
• compassion fatigue
• compassioning
• compassions
• compass plane
• compass planes
• compass plant
• compass plants
• compass rose
• compass roses
• compass saw
• compass saws
• compass signal
• compass signals
• compass timber
• compass timbers
• compass window
• compass windows