mooting vs tiff

mooting

noun

  • The activity of taking part in a moot court. 

tiff

noun

  • A small argument; a petty quarrel. 

  • Liquor; especially, a small draught of liquor. 

verb

  • To have lunch. 

  • To quarrel. 

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