quat vs quaternium

quat

noun

  • A quaternary ammonium cation or compound. 

verb

  • To relinquish, forsake, give up. 

  • To squat or crouch down. 

adj

  • Quaternary. 

  • Free; no longer involved with; quit. 

quaternium

noun

  • A quaternary ammonium cation 

  • A quaternary ammonium compound 

  • A quaternary ammonium functional group 

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