treacher or treachour /trechˈər/

1. A deceiver by trickery
2. A betrayer
3. A traitor

• at all points
• at a loose end
• at a loss
• at a low ebb
• ataman
• atamans
• at anchor
• at an end
• at an inch
• at any cost
• at any hand
• at any price
• at any rate
• atap
• at a pinch
• at a point
• at a premium
• at a price
• ataps
• at a push
• ataractic
• ataractics
• at a rate of knots
• ataraxia
• ataraxias