mantle vs mask

mantle

verb
  • To cover or conceal (something); to cloak; to disguise. 

  • To climb over or onto something. 

  • To become covered or concealed. 

  • To spread like a mantle (especially of blood in the face and cheeks when a person flushes). 

noun
  • A figurative garment representing authority or status, capable of affording protection. 

  • The layer between the Earth's core and crust. 

  • A penstock for a water wheel. 

  • A mantling. 

  • A gauzy fabric impregnated with metal nitrates, used in some kinds of gas and oil lamps and lanterns, which forms a rigid but fragile mesh of metal oxides when heated during initial use and then produces white light from the heat of the flame below it. (So called because it is hung above the lamp's flame like a mantel.) 

  • The back of a bird together with the folded wings. 

  • The zone of hot gases around a flame. 

  • The cerebral cortex. 

  • The outer wall and casing of a blast furnace, above the hearth. 

  • Anything that covers or conceals something else; a cloak. 

  • A piece of clothing somewhat like an open robe or cloak, especially that worn by Orthodox bishops. (Compare mantum.) 

  • The body wall of a mollusc, from which the shell is secreted. 

  • A fireplace shelf; Alternative spelling of mantel 

mask

verb
  • To conceal from view or knowledge; to cover; to hide. 

  • To set or unset (certain bits, or binary digits, within a value) by means of a bitmask. 

  • To bewilder; confuse. 

  • To conceal or disguise one's autism. 

  • To prepare tea in a teapot; alternative to brew. 

  • To disable (an interrupt, etc.) by setting or unsetting the associated bit. 

  • To cover (the face or something else), in order to conceal the identity or protect against injury; to cover with a mask or visor. 

  • To conceal; also, to intervene in the line of. 

  • (brewing) To mix malt with hot water to yield wort. 

  • To take part as a masker in a masquerade. 

  • to cover or shield a part of a design or picture in order to prevent reproduction or to safeguard the surface from the colors used when working with an air brush or painting 

  • To mash. 

  • To disguise as something else. 

  • To cover or keep in check. 

  • To wear a mask. 

  • To be infused or steeped. 

noun
  • The mesh of a net; a net; net-bag. 

  • A cover, or partial cover, for the face, used for disguise or protection. 

  • That which disguises; a pretext or subterfuge. 

  • A person wearing a mask. 

  • A pattern of bits used in bitwise operations; bitmask. 

  • A two-color (black and white) bitmap generated from an image, used to create transparency in the image. 

  • mesh 

  • The lower lip of the larva of a dragonfly, modified so as to form a prehensile organ. 

  • In a permanent fortification, a redoubt which protects the caponiere. 

  • A festive entertainment of dancing or other diversions, where all wear masks; a masquerade. 

  • Mash. 

  • The head of a fox, shown face-on and cut off immediately behind the ears. 

  • A social phenomenon where autistic people learn, practice, and perform certain behaviors and suppress others in order to appear more neurotypical. 

  • A flat covering used to block off an unwanted portion of a scene or image. 

  • A grotesque head or face, used to adorn keystones and other prominent parts, to spout water in fountains, and the like. 

  • A screen for a battery. 

How often have the words mantle and mask occurred in a corpus of books? (source: Google Ngram Viewer )