noisy vs sibilant

noisy

adj
  • Making a noise, especially a loud unpleasant sound 

  • Unpleasant-looking and causing unwanted attention 

  • Full of noise. 

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