dormant vs out of use

dormant

adj

  • In a sleeping posture; distinguished from couchant. 

  • Inactive, sleeping, asleep, suspended. 

  • Leaning. 

noun

  • A crossbeam or joist. 

out of use

prep

  • in disuse; no longer used 

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