doohickey/ʹdooh·hiki/ noun (pl doohickeys)

• collocate
• collocation
• collocutor
• collodion
• collogue
• colloid
• collop
• colloq.
• colloquia
• colloquial
• colloquialism
• colloquium
• colloquy
• collotype
• collude
• collusion
• collyrium
• collywobbles
• Colo.
• colobus monkey
• cologne
• Colombian
• colon
• colonel
• Colonel Blimp