acclimate vs acculture

acclimate

verb
  • To become accustomed to a new climate or environment. 

  • To adjust to a new environment; not necessarily a wild, natural, earthy one. 

  • To habituate to a climate not native; to acclimatize. 

acculture

verb
  • To familiarize oneself with, and adopt a new culture, especially by an immigrant 

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