approve vs gripe

approve

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

  • 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. 

gripe

verb
  • To complain; to whine. 

  • To suffer griping pains. 

  • To tend to come up into the wind, as a ship which, when sailing close-hauled, requires constant labour at the helm. 

  • To annoy or bother. 

noun
  • A wire rope, often used on davits and other life raft launching systems. 

  • A complaint, often a petty or trivial one. 

  • The compass or sharpness of a ship's stern under the water, having a tendency to make her keep a good wind. 

  • The piece of timber that terminates the keel at the fore end; the forefoot. 

  • Pinching and spasmodic pain in the intestines. 

  • An assemblage of ropes, dead-eyes, and hocks, fastened to ringbolts in the deck, to secure the boats when hoisted. 

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