enucleate vs explain

enucleate

verb
  • To extract (an object) intact from an enclosed space 

  • To remove the nucleus from (a cell). 

noun
  • A cell which has been enucleated 

adj
  • Enucleated, having no nucleus. 

explain

verb
  • To make plain, manifest, or intelligible; to clear of obscurity; to illustrate the meaning of. 

  • To give a valid excuse for past behavior. 

  • To make something plain or intelligible. 

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