scabiosa vs scabious

scabiosa

noun

  • scabious (plant) 

scabious

noun

  • Any of various herbaceous plants of the genus Scabiosa. 

  • Any of several plants of the genus Knautia. 

adj

  • Having scabs. 

  • Of or pertaining to scabies. 

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