1. Coinciding exactly when superimposed
   - identical

See also: congruent

• Circassian
• Circassian walnut
• Circe
• circinate
• Circinus
• Circis siliquastrum
• circle
• circle around
• circle of curvature
• circle of Willis
• circle round
• circlet
• circlip
• circuit
• circuit board
• circuit breaker
• circuit card
• circuit court of appeals
• circuitous
• circuitously
• circuitry
• circuity
• circular
• circular file
• circular function