tenantable vs unacceptable

tenantable

adj
  • Fit to be rented; in a condition suitable for a tenant. 

unacceptable

noun
  • Something that is not acceptable. 

adj
  • not conforming to accepted usage 

  • unsatisfactory; not acceptable 

How often have the words tenantable and unacceptable occurred in a corpus of books? (source: Google Ngram Viewer )