1. The inability to recognize faces (usually acquired but may be developmental).

Encyclopedia: Prosopagnosia

• quintessential
• quintessentially
• quintet
• quintette
• quintic
• quintile
• quintillion
• quintillionth
• quintipara
• quintuple
• quintuplet
• quintuplicate
• quintupling
• Quintus Septimius Florens Tertullianus
• quinua
• quip
• quipu
• quira
• quire
• quirk
• quirk bead
• quirk molding
• quirk moulding
• quirkiness
• quirky