apo- vs per-

apo-

prefix
  • derived from, or related to 

  • the apoprotein form of the protein 

  • away from, or separate 

  • without, or lacking 

per-

prefix
  • Denoting the sense "by" or "per", as in perchance or perhaps. 

  • In verbs: denoting the sense "through", as in perforate. 

  • In verbs: denoting the sense "to destruction", as in pervert. 

  • In adjectives and adverbs: denoting the sense "extremely", as in perfervid. 

  • Forming nouns and adjectives denoting the maximum proportion of one element in a compound, as in peroxide. 

  • Added to the name of an element in a polyatomic ion to denote the number of atoms of that element (usually four). 

  • In verbs: denoting the sense "thoroughly", as in perfect. 

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