abrogate vs approve

abrogate

verb
  • To annul by an authoritative act; to abolish by the authority of the maker or her or his successor; to repeal; — applied to the repeal of laws, decrees, ordinances, the abolition of customs, etc. 

  • To block a process or function. 

  • To put an end to; to do away with. 

approve

verb
  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To consider worthy (to); to be pleased (with); to accept. 

  • To regard as good; to commend; to be pleased with; to think well of. 

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