surgical gown vs vestment

surgical gown

noun
  • A protective plastic gown worn by a surgeon when performing surgery. 

vestment

noun
  • A robe, gown, or other article of clothing worn as an indication of office. 

  • Any of the special articles of clothing worn by members of the clergy etc., especially a garment worn at the celebration of the Eucharist. 

  • Clothing. 

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