bad-tempered vs sibilant

bad-tempered

adj
  • Of or pertaining to bad temper; showing anger easily or customarily. 

sibilant

adj
  • Characterized by a hissing or hushing sound such as the s or sh in sack or shack. 

noun
  • A consonant having a hissing or hushing sound such as the s or sh in sack or shack. 

How often have the words bad-tempered and sibilant occurred in a corpus of books? (source: Google Ngram Viewer )