hugger-mugger vs instable

hugger-mugger

adj

  • Disorderly, chaotic, confused. 

  • Secret, clandestine, sly. 

verb

  • To meet or act secretly. 

adv

  • Secretly. 

  • Confusedly, in a muddle. 

noun

  • Disorder. 

instable

adj

  • Exhibiting instability; unstable 

How often have the words hugger-mugger and instable occurred in a corpus of books? (source: Google Ngram Viewer )