spial /spīˈəl/ (obsolete)

1. Observation, watch
2. A spy, scout

• nailbrushes
• nail down
• nailed
• nailed on
• nail enamel
• nail enamels
• nailer
• naileries
• nailers
• nailery
• nail file
• nail files
• nail gun
• nail guns
• nail-head
• nail-headed
• nail-heads
• nail-head-spar
• nail-hole
• nail-holes
• nailing
• nailings
• nailless
• nail one's colours to the mast
• nail polish