a·pe·ri·od·ic 
(ā′pîr-ē-ŏdĭk)
(ā′pîr-ē-ŏdĭk)adj.
Occurring without periodicity; irregular.
a′pe·ri·odi·cal·ly adv.
a·pe′ri·o·dici·ty (-ə-dĭsĭ-tē) n.
- consanguine
- consanguineous
- consanguineously
- consanguinity
- conscience
- conscience clause
- conscienceless
- conscience money
- conscientious
- conscientiously
- conscientiousness
- conscientious objection
- conscientious objector
- conscionable
- conscious
- consciously
- consciousness
- consciousness-raiser
- consciousness-raising
- conscript
- conscription
- consecrate
- consecration
- consecrative
- consecrator