inasmuch as vs therefore

inasmuch as

conj
  • Because of the fact that; since. 

  • To the extent that; insofar as. 

therefore

adv
  • Consequently, by or in consequence of that or this cause; referring to something previously stated. 

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