city planning vs town planning

city planning and town planning both are nouns.

Word	Noun	Adjective	Verb	Adverb
city planning	Yes	No	No	No
town planning	Yes	No	No	No

As nouns, city planning and town planning are synonyms defined as:

city planning and town planning: determining and drawing up plans for the future physical arrangement and condition of a community

Other synonyms of city planning include urban planning.

city planning (noun)	town planning (noun)
determining and drawing up plans for the future physical arrangement and condition of a community	determining and drawing up plans for the future physical arrangement and condition of a community