chain vs commercial enterprise

chain and commercial enterprise both are nouns.

Word	Noun	Adjective	Verb	Adverb
chain	Yes	No	Yes	No
commercial enterprise	Yes	No	No	No

chain (noun)	commercial enterprise (noun)
a series of (usually metal) rings or links fitted into one another to make a flexible ligament	the activity of providing goods and services involving financial and commercial and industrial aspects
a necklace made by stringing objects together	an enterprise connected with commerce
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)	commercial enterprise (verb)
fasten or secure with chains
connect or arrange into a chain by linking