abubble vs sibilant

abubble

adj
  • Bubbling. 

  • In a state of excitement, agitated activity, or motion. 

adv
  • Bubbling over with excitement. 

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