know vs love

know

verb
  • To perceive the truth or factuality of; to be certain of or that. 

  • To experience. 

  • To understand or have a grasp of through experience or study. 

  • To be or become aware or cognizant. 

  • To be able to play or perform (a song or other piece of music). 

  • To be acquainted or familiar with; to have encountered. 

  • To be aware of; to be cognizant of. 

  • To recognize as the same (as someone or something previously encountered) after an absence or change. 

  • To have knowledge; to have information, be informed. 

noun
  • Knowledge; the state of knowing. 

  • Knowledge; the state of knowing; now confined to the fixed phrase ‘in the know’ 

love

verb
  • To derive delight from a fact or situation. 

  • To have a strong affection for (someone or something). 

  • To be strongly inclined towards something; an emphatic form of like. 

  • To need, thrive on. 

  • To care deeply about, to be dedicated to (someone or something). 

  • To have sex with (perhaps from make love). 

noun
  • A deep or abiding liking for something; an enthusiasm for something. 

  • A thing, activity, etc. which is the object of one's deep liking or enthusiasm. 

  • A deep caring for the existence of another. 

  • Nothing; no recompense. 

  • An instance or episode of being in love; a love affair. 

  • Sexual activity. 

  • Used as the closing, before the signature, of a letter, especially between good friends or family members, or by the young. 

  • A climbing plant, Clematis vitalba. 

  • A term of friendly address, regardless of feelings. 

  • A feeling of intense attraction towards someone. 

  • A person who is the object of romantic feelings; a darling, a sweetheart, a beloved. 

  • Affectionate, benevolent concern or care for other people or beings, and for their well-being. 

  • A profound and caring affection towards someone. 

  • Zero, no score. 

  • Sexual desire; attachment based on sexual attraction. 

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