co·part·ner 
(kō-pärtnər, kōpärt′-)
(kō-pärtnər, kōpärt′-)n.
A joint partner, as in a business enterprise; an associate.
co·partner·ship′ n.
- degenerateness
- degeneration
- degenerative
- degenerative joint disease
- de Gennes
- deglaciation
- deglamorize
- deglaze
- deglutinate
- deglutination
- deglutition
- deglutitory
- degradability
- degradable
- degradation
- degradative
- degrade
- degraded
- degradedly
- degradedness
- degrader
- degrading
- degradingly
- degranulation
- degrease