spial /spīˈəl/ (obsolete)

1. Observation, watch
2. A spy, scout

• duteousness
• duteousnesses
• dutiable
• dutied
• duties
• dutiful
• dutifully
• dutifulness
• dutifulnesses
• duty
• duty-bound
• duty-free
• duty officer
• duty officers
• duty-paid
• duumvir
• duumviral
• duumvirate
• duumvirates
• duumviri
• duumvirs
• duvet
• duvet day
• duvetine
• duvets