orange vs sweet lemon

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. 

sweet lemon

noun
  • A plant of the species Citrus medica (syn. Citrus limetta) or its fruit. 

  • Any of several plants that produce fruit resembling lemon or lime, but less acidic than lemon. 

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