repulsive vs sibilant

repulsive

adj
  • Tending to rouse aversion or to repulse; disgusting. 

  • Having the capacity to repel. 

  • Cold; reserved; forbidding. 

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 repulsive and sibilant occurred in a corpus of books? (source: Google Ngram Viewer )