single-use vs unworkable

single-use

adj

  • Designed to be used one time and then discarded or disposed of. 

unworkable

adj

  • Not workable or operable; not practical; unmanageable. 

noun

  • Something that is not workable, or cannot be made to work. 

How often have the words single-use and unworkable occurred in a corpus of books? (source: Google Ngram Viewer )