clag vs condensation

clag

noun
  • Unburned carbon (smoke) from a steam or diesel locomotive, or multiple unit. 

  • Bits of rubber which are shed from tires during a race and collect off the racing line, especially on the outside of corners (cf. marbles). 

  • A glue or paste made from starch. 

  • Low cloud, fog or smog. 

verb
  • To stick, like boots in mud 

condensation

noun
  • The conversion of a gas to a liquid. 

  • The condensate so formed. 

  • The state of being condensed. 

  • when a single idea (an image, memory, or thought) or dream object stands for several associations and ideas. 

  • The reaction of two substances with the simultaneous loss of water or other small molecule. 

  • The act or process of condensing or of being condensed 

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