paralyse vs unnerve

paralyse

verb
  • To make unable to move; to immobilize. 

  • To afflict with paralysis. 

  • To make unable to function properly. 

unnerve

verb
  • To deprive of nerve, force, or strength; to weaken; to enfeeble. 

  • To make somebody nervous, upset, alarm, shake the resolve of. 

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