grapefruit vs orange

grapefruit

noun
  • The tree of the species Citrus paradisi, a hybrid of pomelo (Citrus maxima) and sweet orange. 

  • The large spherical tart fruit produced by this tree. 

orange

noun
  • An evergreen tree of the genus Citrus such as Citrus sinensis. 

  • An orange-coloured and orange-flavoured cordial. 

  • An orange-coloured and orange-flavoured soft drink. 

  • Orange juice. 

  • The colour of a ripe fruit of an orange tree, midway between red and yellow. 

  • The fruit of the orange tree; a citrus fruit with a slightly sour flavour. 

adj
  • Having the colour of the fruit of an orange tree; yellowred; reddish-yellow. 

verb
  • To color orange. 

  • To become orange. 

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