co·part·ner 
(kō-pärtnər, kōpärt′-)
(kō-pärtnər, kōpärt′-)n.
A joint partner, as in a business enterprise; an associate.
co·partner·ship′ n.
- electric flux
- electric flux density
- electrician
- electric intensity
- electricity
- electric light
- electric moment
- electric monopole
- electric potential
- electric potential gradient
- electric ray
- electrifiable
- electrification
- electrifier
- electrify
- electrifyingly
- electro-
- electroanalysis
- electroanalytic
- electroanalytical
- electrocardiogram
- electrocardiograph
- electrocardiographic
- electrocardiographically
- electrocardiography