1. 
   etiologist
   [n] - a specialist in the etiology of diseases
   Found op http://www.webdictionary.co.uk/definition.php?query=etiologist
   
   
2. 
   etiologist
   aetiologist noun a specialist in the etiology of diseases
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=etiologist
   
   
3. 
   etiologist
   etiologist 1. Anyone who studies etiology or the science of cause. 2. Someone who strives to find the causes of diseases via research and various forms of medical investigations.
   Found op http://www.wordinfo.info/words/index/info/view_unit/776/
   
   
4. 
   etiologist
   1) A specialist in the etiology of diseases 2) Aetiologist 3) Diagnostician 4) Pathologist
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/etiologist/1
   
   

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