What's the difference between copartner and copartnery?

Copartner

Definition:

• (n.) One who is jointly concerned with one or more persons in business, etc.; a partner; an associate; a partaker; a sharer.

Example Sentences:

• (1) The exchange is stimulated by the addition of catalytic amounts of copartner of transaminations reaction.

Copartnery

Definition:

• (n.) the state of being copartners in any undertaking.

Example Sentences: