WWF, theWWF, the /ˌdʌbəljuː dʌbəljuː ˈef/ 
the world wide fund for nature
the world wide fund for nature- confidence-building
- confidence trick
- confidence trickster
- confident
- confidential
- confidentiality
- confidentially
- confidently
- confiding
- confidingly
- configuration
- configure
- confine
- confined
- confinement
- confines
- confirm
- confirmation
- confirmed
- confiscate
- confiscation
- conflagration
- conflate
- conflation
- conflict