saw tooth vs tenon

saw tooth

noun
  • A cutting bit of a saw. 

adj
  • Describing a function or waveform that consists of repeated triangular transitions when graphed. 

  • Shaped like a saw tooth. 

tenon

noun
  • A projecting member left by cutting away the wood around it, and made to insert into a mortise, and in this way secure together the parts of a frame. 

verb
  • To fit with tenons. 

  • To make into a tenon. 

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