dyad /dīˈad/

1. A pair of units treated as one
2. A bivalent atom, radical, or element (chem)

dyadˈic adjective

• pustulous
• put
• put about
• put a brave face on
• put a call on hold
• put a cheat upon
• put across
• put a damper on
• put a fast one over
• put a finger in the eye
• put a finger on
• put a foot wrong
• put a good face on
• put all one's eggs in one basket
• putamen
• putamina
• put an ape in someone's hood
• put-and-take
• put a person's eye out
• put a premium on
• put a sock in it
• put a spoke in someone's wheel
• putative
• putatively
• putative marriage