be nervous vs jitter

be nervous

jitter

noun
  • A state of nervousness. 

  • An abrupt and unwanted variation of one or more signal characteristics. 

  • A program or routine that performs jitting; a just-in-time compiler. 

  • A random positioning of data points to avoid visual overlap. 

  • A nervous action; a tic. 

verb
  • To position data points randomly to avoid visual overlap. 

  • To be nervous. 

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