chain vs Black Hills

chain and Black Hills both are nouns.

Word	Noun	Adjective	Verb	Adverb
chain	Yes	No	Yes	No
Black Hills	Yes	No	No	No

chain (noun)	Black Hills (noun)
a series of (usually metal) rings or links fitted into one another to make a flexible ligament	mountains in southwestern South Dakota and northeastern Wyoming; sacred to the Sioux (whites settling in the Black Hills led to the Battle of Little Bighorn); site of Mount Rushmore
a necklace made by stringing objects together
anything that acts as a restraint
a linked or connected series of objects
a series of things depending on each other as if linked together
(business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership
(chemistry) a series of linked atoms (generally in an organic molecule)
a series of hills or mountains
a unit of length

chain (verb)	Black Hills (verb)
fasten or secure with chains
connect or arrange into a chain by linking