bittersweet vs rosaceous

bittersweet

adj
  • Of bittersweet color. 

  • Both bitter and sweet. 

  • Expressing contrasting emotions of pain and pleasure. 

noun
  • A pinkish-orange color. Any color in between scarlet and orange. 

  • Bittersweetness. 

  • A vine, of the genus Celastrus, having small orange fruit that open to reveal red seeds. 

  • Bittersweet nightshade, Solanum dulcamara. 

  • Any variety of clam in the family Glycymerididae 

  • A variety of apple with a bittersweet taste. 

rosaceous

adj
  • Resembling or characteristic of rosacea; rosy; reddish. 

  • Of or pertaining to a rose, or a member of the Rosaceae family of plants. 

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