Municipal is a synonym of Civic. Civic is related to Duty. Duty is derived from Due. Due is related to Must. 
Ranch is related to Big. Big is related to Cow. Cow is related to Say. Say is related to Mention. 
Municipal <--Synonym--> Civic <--RelatedTo--> Duty --DerivedFrom--> Due <--RelatedTo--> Must 
Ranch <--RelatedTo--> Big <--RelatedTo--> Cow <--RelatedTo--> Say <--RelatedTo--> Mention 