among vs by all of

among

prep
  • Denotes a sharing of a common feature in a group. 

  • Denotes a mingling or intermixing with distinct or separable objects. (See Usage Note at amidst.) 

  • Denotes a belonging of a person or a thing to a group. 

by all of

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