shed vs coal house

shed and coal house both are nouns.

Word	Noun	Adjective	Verb	Adverb
shed	Yes	Yes	Yes	No
coal house	Yes	No	No	No

As nouns, coal house is a hyponym of shed; that is, coal house is a word with a more specific, narrower meaning than shed:

Other hyponyms of shed include apiary, bee house, boathouse, toolhouse, toolshed, woodshed.

shed (noun)	coal house (noun)
an outbuilding with a single story; used for shelter or storage	a shed for storing coal

shed (adjective)	coal house (adjective)
shed at an early stage of development

shed (verb)	coal house (verb)
cast off hair, skin, horn, or feathers
cause or allow (a solid substance) to flow or run out or over
to remove
pour out in drops or small quantities or as if in drops or small quantities