Ordinance
Part of speech: noun
Definition: a local law or regulation. a religious practice or ritual prescribed by the church.
Example sentence: The members of such a society consider that the transgression of a religious ordinance should be punished by civil penalties, and that the violation of a civil duty exposes the delinquent to divine correction.
Regulation
Part of speech: noun
Definition: A law or administrative rule, issued by an organization, used to guide or prescribe the conduct of members of that organization.
Part of speech: adjective
Definition: In conformity with applicable rules and regulations.
Example sentence: There should be regulation that prevents all schools, not just state schools, from teaching creationism because it is indoctrination, it is planting ideas into children's heads. We should be teaching children to be much more open-minded.