Related Clues:

• Friend's face finally carved out of marble
• Cooperating country
• Co-operating nation
• Recover after sacrificing queen to achieve mate
• Join (in treaty)
• Cooperating state
• Along came Polly on the margins offering support
• Band together for the entire year
• Not initially friendly colleague
• Unite by treaty or confederation
• Everybody has yen for a friend
• The whole army is disarmed, chum!
• The whole of my half goes to a partner
• Supporter trapped by tall youth
• Woman without second colleague