open fireplace vs mantle

open fireplace and mantle both are nouns.

Word	Noun	Adjective	Verb	Adverb
open fireplace	Yes	No	No	No
mantle	Yes	No	Yes	No

open fireplace (noun)	mantle (noun)
an open recess in a wall at the base of a chimney where a fire can be built	a sleeveless garment like a cloak but shorter
	hanging cloth used as a blind (especially for a window)
	shelf that projects from wall above fireplace
	(zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell
	the cloak as a symbol of authority
	the layer of the earth between the crust and the core
	anything that covers

open fireplace (verb)	mantle (verb)
	cover like a mantle
	spread over a surface, like a mantle