lobster vs serviceman

lobster

noun
  • A soldier or officer of the imperial British Army (due to their red or scarlet uniform). 

  • A crustacean of the Nephropidae family, dark green or blue-black in colour turning bright red when cooked, with a hard shell and claws, which is used as a seafood. 

  • An Australian twenty dollar note, due to its reddish-orange colour. 

  • A crustacean of the Palinuridae family, pinkish red in colour, with a hard, spiny shell but no claws, which is used as a seafood. 

adj
  • Red-colored, especially from a sunburn. 

verb
  • To fish for lobsters. 

serviceman

noun
  • A man who serves in the armed forces. 

  • A person, especially a man, employed in service and maintenance of equipment. 

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