augment vs reinforce

augment

verb
  • To increase; to make larger or supplement. 

  • To slow the tempo or meter, e.g. for a dramatic or stately passage. 

  • To grow; to increase; to become greater. 

  • To add an augment to. 

  • To increase an interval, especially the largest interval in a triad, by a half step (chromatic semitone). 

noun
  • In some Indo-European languages, a prefix e- (a- in Sanskrit) indicating a past tense of a verb. 

  • In some Bantu languages, an additional vowel prepended to the noun prefix. 

  • An increase. 

reinforce

verb
  • To strengthen, especially by addition or augmentation. 

  • To emphasize or review. 

  • To encourage (a behavior or idea) through repeated stimulus. 

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