Adjunctive and Co-ordinate

Adjunctive adjective - Joining; forming an adjunct.

Co-ordinate and adjunctive are semantically related In some cases you can replace phrase "Co-ordinate" with "Adjunctive", this terms are similar.

Co-ordinate noun - A number that identifies a position relative to an axis.

Adjunctive and co-ordinate are semantically related in indirect topic. Sometimes you can use "Adjunctive" instead an adjective phrase "Co-ordinate".