colliery vs workplace

colliery and workplace both are nouns.

Word	Noun	Adjective	Verb	Adverb
colliery	Yes	No	No	No
workplace	Yes	No	No	No

As nouns, workplace is a hypernym of colliery; that is, workplace is a word with a broader meaning than colliery:

colliery: a workplace consisting of a coal mine plus all the buildings and equipment connected with it
workplace: a place where work is done

Other hypernyms of colliery include work.

colliery (noun)	workplace (noun)
a workplace consisting of a coal mine plus all the buildings and equipment connected with it	a place where work is done