mantle vs mantelet

mantle and mantelet both are nouns.

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

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

Other hyponyms of mantle include chlamys, mantilla, pelisse, tippet, capelet.

mantle (noun)	mantelet (noun)
a sleeveless garment like a cloak but shorter	short cape worn by women
hanging cloth used as a blind (especially for a window)	portable bulletproof shelter
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)	mantelet (verb)
cover like a mantle
spread over a surface, like a mantle