mantle vs open fireplace

mantle and open fireplace both are nouns.

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

mantle (noun)	open fireplace (noun)
a sleeveless garment like a cloak but shorter	an open recess in a wall at the base of a chimney where a fire can be built
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

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