nigh vs virtually

nigh

adv
  • Almost, nearly. 

prep
  • near; close to 

verb
  • to draw nigh (to); to approach; to come near 

adj
  • Not remote in degree, kindred, circumstances, etc.; closely allied; intimate. 

virtually

adv
  • Almost but not quite. 

  • Of a covering space of finite index. 

  • In essence, but not in fact. 

  • By computer or in cyberspace 

  • Of a substructure of finite index. 

  • Without exaggeration. 

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