imbue vs preengage

imbue

verb
  • In general, to act in a way which results in an object becoming completely permeated or impregnated by some quality. 

  • To wet or stain an object completely with some physical quality. 

preengage

verb
  • To engage previously. 

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