coronal vs ringlet

coronal

noun
  • A wreath or garland of flowers. 

  • The frontal bone, over which the ancients wore their coronae or garlands. 

  • A consonant produced with the tip or blade of the tongue. 

  • A crown or coronet. 

adj
  • Relating to the corona of a star. 

  • Relating to the coronal plane that divides a body into dorsal (back) and ventral (front). 

  • Relating to a crown or coronation. 

  • Relating to a sound made with the tip or blade of the tongue. 

  • Relating to the corona of a flower. 

ringlet

noun
  • A small ring. 

  • Any of various butterflies with small rings on the wings, in the tribe Satyrini of the family Nymphalidae, such as Aphantopus hyperantus. 

  • A lock, tress. 

verb
  • To surround or encircle like a ringlet. 

  • To form into ringlets. 

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