juncture vs yawn

juncture

noun
  • A place where things join, a junction. 

  • A critical moment in time. 

  • The manner of moving (transition) or mode of relationship between two consecutive sounds; a suprasegmental phonemic cue, by which a listener can distinguish between two otherwise identical sequences of sounds that have different meanings. 

yawn

noun
  • The action of yawning; opening the mouth widely and taking a long, rather deep breath, often because one is tired or bored. 

  • A particularly boring event. 

verb
  • To present a wide opening; gape. 

  • To say while yawning. 

  • To open the mouth widely and take a long, rather deep breath, often because one is tired or bored, and sometimes accompanied by pandiculation. 

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