lasting vs yearlong

lasting

adj
  • Persisting for an extended period of time. 

noun
  • A durable woollen material formerly used for women's shoes. 

  • The act or process of shaping footwear on a last. 

yearlong

adj
  • Lasting one year; of a timespan of one year. 

  • Which lasts throughout every year; which is not seasonal 

adv
  • Throughout every year; not seasonally 

  • Per year. 

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