grilse vs lax

grilse

noun
  • A young salmon after its first return from the sea. 

lax

noun
  • A salmon. 

  • Lacrosse. 

adj
  • Lacking care; neglectful, negligent. 

  • Loose; not tight or taut. 

  • Lenient and allowing for deviation; not strict. 

  • Describing an associative monoidal functor. 

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