conterminous vs neighboring

conterminous and neighboring both are adjectives.

Word	Noun	Adjective	Verb	Adverb
conterminous	No	Yes	No	No
neighboring	No	Yes	No	No

As adjectives, conterminous and neighboring are synonyms defined as:

conterminous and neighboring: having a common boundary or edge; abutting; touching

Other synonyms of conterminous include adjacent, contiguous, neighbouring.

conterminous (adjective)	neighboring (adjective)
being of equal extent or scope or duration	having a common boundary or edge; abutting; touching
connecting without a break; within a common boundary
having a common boundary or edge; abutting; touching