scarious vs seawater

scarious

adj

  • thin, dry, membranous 

  • thin, dry, membranous, and not green 

  • scaly, scurfy 

seawater

adj

  • Consisting of seawater. 

  • Associated in some way with seawater, or intended for dealing with seawater. 

noun

  • The saltwater of a sea or ocean. 

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