dearly vs substantially

dearly

adv
  • In a dear or precious manner. 

  • In a dear or expensive manner. 

  • At great expense. 

substantially

adv
  • To a great extent; in essence; essentially. 

  • Without material qualifications. 

  • In a strong substantial manner; considerably. 

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