Related Clues:

• Connecting pipe
• Attribute (to)
• Find a sum
• Write a codicil
• Interpose
• Supplement (with ''to'')
• Letter after kay
• Contribute to the conversation
• Pipe fitter's joint
• Email option
• Right-angled wing
• Dipstick word
• Iron on, e.g.
• Wing that can't flap
• Just-water connection