lute vs mortar

lute

noun
  • Thick sticky clay or cement used to close up a hole or gap, especially to make something air-tight. 

  • A straight-edged piece of wood for striking off superfluous clay from earth. 

  • A packing ring, as of rubber, for fruit jars, etc. 

  • A fretted stringed instrument of European origin, similar to the guitar, having a bowl-shaped body or soundbox; any of a wide variety of chordophones with a pear-shaped body and a neck whose upper surface is in the same plane as the soundboard, with strings along the neck and parallel to the soundboard. 

verb
  • To play on a lute, or as if on a lute. 

  • To fix or fasten something with lute. 

mortar

noun
  • A mixture of lime or cement, sand and water used for bonding building blocks. 

  • A muzzle-loading, indirect fire weapon with a tube length of 10 to 20 calibers and designed to lob shells at very steep trajectories. 

  • A hollow vessel used to pound, crush, rub, grind or mix ingredients with a pestle. 

  • In paper milling, a trough in which material is hammered. 

verb
  • To attack (someone or something) using a mortar (weapon). 

  • To pound in a mortar. 

  • To use mortar or plaster to join two things together. 

  • To fire a mortar (weapon). 

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