rearwards vs supine

rearwards

adj
  • Rearward. 

adv
  • Rearward. 

supine

adj
  • Inclining or leaning backward; inclined, sloping. 

  • Lying on its back. 

  • turned facing toward the body; with the thumb outward or the big toe upward. 

  • Reluctant to take action due to indifference or moral weakness; apathetic or passive towards something. 

noun
  • In Latin and other languages: a type of verbal noun used in the ablative and accusative cases, which shares the same stem as the passive participle. 

  • In Swedish, Faroese, Icelandic and Old Norse: a verb form that combines with an inflection of ha/hafa/hava to form the present perfect and pluperfect tenses. 

  • (obsolete terminology) The 'to'-prefixed infinitive in English or other Germanic languages, so named because the infinitive was regarded as a verbal noun and the 'to'-prefixed form of it was seen as the dative form of the verbal noun; the full infinitive. 

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