char vs tea tree

char

noun
  • One of the several species of fishes of the genus Salvelinus. 

  • A charred substance. 

  • A charlady, a woman employed to do housework; cleaning lady. 

  • An odd job, a chore or piece of housework. 

  • A character (text element such as a letter or symbol). 

verb
  • To work, especially to do housework; to work by the day, without being a regularly hired servant. 

  • To burn something to charcoal. 

  • To burn slightly or superficially so as to affect colour. 

  • To work or hew (stone, etc.) 

tea tree

noun
  • The kanuka, Kunzea ericoides. 

  • The tree Melaleuca alternifolia, from which tea tree oil is obtained. 

  • The tea plant (Camellia sinensis), from which black, green, oolong and white tea are all obtained. 

  • The shrub ti (Cordyline fruticosa). 

  • A shrub or small tree native to New Zealand and southeast Australia (Leptospermum scoparium). 

  • The duke of Argyll's tea tree (Lycium barbarum), also known as wolfberry or matrimony vine. 

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