canopy vs pall

canopy

verb
  • To cover with or as if with a canopy. 

  • To go through the canopy of a forest on a zipline. 

noun
  • A high cover providing shelter, such as a cloth supported above an object, particularly over a bed. 

  • Any overhanging or projecting roof structure, typically over entrances or doors. 

  • The zone of the highest foliage and branches of a forest. 

  • In an airplane, the transparent cockpit cover. 

  • In a parachute, the cloth that fills with air and thus limits the falling speed. 

pall

verb
  • To cloak or cover with, or as if with, a pall. 

  • To make vapid or insipid; to make lifeless or spiritless; to dull, to weaken. 

  • To become dull, insipid, tasteless, or vapid; to lose life, spirit, strength, or taste. 

noun
  • Something that covers or surrounds like a cloak; in particular, a cloud of dust, smoke, etc., or a feeling of fear, gloom, or suspicion. 

  • A piece of cardboard, covered with linen and embroidered on one side, used to cover the chalice during the Eucharist. 

  • A charge representing an archbishop's pallium, having the form of the letter Y charged with crosses. 

  • Especially in Roman Catholicism: a pallium (“liturgical vestment worn over the chasuble”). 

  • A heavy cloth laid over a coffin or tomb; a shroud laid over a corpse. 

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