lowness vs upthrow

lowness

noun

  • The property of being low. 

  • Something that is low or vulgar. 

upthrow

verb

  • To be thrown up from below, causing a fault. 

  • To throw up (a mass of material) from below, causing a fault. 

noun

  • A fault in which a mass of material has been thrown up from below. 

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