cochlea vs cockle

cochlea

noun
  • A spiral-shaped shell, especially that of a snail. 

  • The complex, spirally coiled, tapered cavity of the inner ear of higher vertebrates, which contains the organ of Corti and in which sound vibrations are converted into nerve impulses. 

cockle

noun
  • The shell of such a mollusk. 

  • The fire chamber of a furnace. 

  • The mineral black tourmaline or schorl. 

  • Any of various edible European bivalve mollusks, of the family Cardiidae, having heart-shaped shells. 

  • A wrinkle, pucker 

  • The dome of a heating furnace. 

  • One’s innermost feelings (only in the expression “the cockles of one’s heart”). 

  • A £10 note; a tenner. 

  • A kiln for drying hops; an oast. 

  • A defect in sheepskin; firm dark nodules caused by the bites of keds on live sheep 

  • Any of several field weeds, such as the common corncockle (Agrostemma githago) and darnel ryegrass (Lolium temulentum). 

verb
  • To cause to contract into wrinkles or ridges, as some kinds of cloth after a wetting; to pucker. 

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