cowberry vs wintergreen

cowberry

noun
  • The berry of this shrub. 

  • A shrub native to the cool temperate areas of the Northern Hemisphere (Vaccinium vitis-idaea). 

wintergreen

noun
  • Gaultheria procumbens, native to North America, having solitary white flowers and aromatic leaves (checkerberry or teaberry) 

  • Genus Chimaphila (prince's pine, pipsissewa) 

  • The aroma of the oil, methyl salicylate, however derived. 

  • Genus Orthilia 

  • The spicy red berries of Gaultheria procumbens. 

  • Genus Pyrola, native to northern temperate and Arctic regions. 

  • Some species of the herbaceous genus Trientalis, in family Primulaceae (chickweed wintergreen) 

  • Chimaphila maculata – striped wintergreen, pipsissewa 

  • The oil, methyl salicylate, obtained from these berries. 

  • Gaultheria humifusa – alpine wintergreen 

  • Genus Moneses 

  • Gaultheria ovatifolia – western teaberry or Oregon spicy wintergreen 

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