pall vs peter out

pall

verb
  • 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. 

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

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. 

peter out

verb
  • Synonym of peter (“originally (mining), of a vein of ore: to be depleted of ore; now (generally), to diminish to nothing; to dwindle, to trail off”) 

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