mantle vs portiere

mantle and portiere both are nouns.

Word	Noun	Adjective	Verb	Adverb
mantle	Yes	No	Yes	No
portiere	Yes	No	No	No

As nouns, portiere is a hyponym of mantle; that is, portiere is a word with a more specific, narrower meaning than mantle:

mantle (noun)	portiere (noun)
a sleeveless garment like a cloak but shorter	a heavy curtain hung across a doorway
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)	portiere (verb)
cover like a mantle
spread over a surface, like a mantle