co·gnac 
(kōnyăk′, kŏn-, kôn-)
(kōnyăk′, kŏn-, kôn-)n.
A brandy distilled from white wine and produced in the vicinity of Cognac.
- overcautious
- overcautiously
- overcautiousness
- overcharge
- overclass
- overcloud
- overcoat
- overcoating
- overcome
- overcommit
- overcommitment
- overcompensate
- overcompensation
- overcompensatory
- overconfidence
- overconfident
- overconfidently
- overcorrect
- overcorrection
- overcritical
- overcritically
- overcrop
- overcrowd
- overdevelop
- overdevelopment