interfere vs restrain

interfere

verb
  • To get involved or involve oneself, causing disturbance. 

  • To sexually molest, especially of a child. 

  • (of waves) To be correlated with each other when overlapped or superposed. 

  • To strike one foot against the opposite foot or ankle in using the legs. 

restrain

verb
  • To control or keep in check. 

  • To deprive of liberty. 

  • To strain again. 

  • To restrict or limit. 

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