Related Clues:

• Supplements, with 'to'
• Puts (numbers) together
• What a summer does?
• Publicity notice detective sergeant puts on
• Includes, with 'in'
• Uses an abacus, maybe
• Stirs into the pot
• Puts on commercials on the radio
• Connects with on Snapchat
• Puts two and two together on the banks of Admiralty Islands
• Counts on one's fingers, perhaps
• Also says
• Goes on to say more to theologian in South Africa on reflection
• Puts on top of
• Includes in the recipe