in·com·pe·ten·cy 
(ĭn-kŏmpĭ-tən-sē)
(ĭn-kŏmpĭ-tən-sē)n. pl. in·com·pe·ten·cies
Incompetence.
- cooperativeness
- cooperator
- Cooper pair
- Cooper's hawk
- Cooperstown
- co-opt
- co-optation
- co-optative
- co-option
- co-optive
- co-orbital
- coordinate
- coordinate bond
- coordinated universal time
- coordinately
- coordinateness
- coordinate system
- coordinating conjunction
- coordination
- coordination compound
- coordinative
- coordinator
- Coosa River
- coot
- cooter