Aboriginal vs bushman

Aboriginal

noun
  • An Aboriginal inhabitant of Australia. 

name
  • Any of the native languages spoken by Australian aborigines. 

adj
  • Of or pertaining to Australian Aboriginal peoples, Aborigines, or their language. 

bushman

noun
  • A man who lives in or has extensive experience of the Australian bush or outback. 

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