sergeant vs trainer

sergeant

noun
  • A bailiff. 

  • A fish, the cobia. 

  • A title sometimes given to the servants of the sovereign. 

  • The highest rank of noncommissioned officer in some non-naval military forces and police. 

  • UK army rank with NATO code OR-6, senior to corporal and junior to warrant officer ranks. 

  • Any of various nymphalid butterflies of the genus Athyma; distinguished from the false sergeants. 

  • A lawyer of the highest rank, equivalent to the doctor of civil law. 

  • A servant in monastic offices. 

trainer

noun
  • A person who trains another; a coach. 

  • A person responsible for treating injuries sustained by players during matches; a physiotherapist. 

  • A patch for a video game that applies cheats. 

  • A running shoe or sneaker. 

  • A piece of indoor equipment allowing a bicycle to be ridden while stationary. 

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