assignment vs ordinance

assignment and ordinance both are nouns.

Word	Noun	Adjective	Verb	Adverb
assignment	Yes	No	No	No
ordinance	Yes	No	No	No

As nouns, ordinance is a hyponym of assignment; that is, ordinance is a word with a more specific, narrower meaning than assignment:

assignment: the act of putting a person into a non-elective position
ordinance: the act of ordaining; the act of conferring (or receiving) holy orders

Other hyponyms of assignment include nomination, co-optation, co-option, delegacy, ordination, recognition.

assignment (noun)	ordinance (noun)
a duty that you are assigned to perform (especially in the armed forces)	the act of ordaining; the act of conferring (or receiving) holy orders
the act of putting a person into a non-elective position	an authoritative command
the act of distributing something to designated places or persons	a statute enacted by a city government
an undertaking that you have been assigned to do (as by an instructor)
the instrument by which a claim or right or interest or property is transferred from one person to another
(law) a transfer of property by deed of conveyance