Yestren or Yestreen: How To spell?
The word Yestren is misspelled against Yestreen, a noun meaning "Yester-evening; yesternight; last night."
Yestreen has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Yestr & n which should not be misspelled with single 'E'
Wrong Spelling:  Yestr-e-n  Correct Spelling:  Yestr-ee-n 
Explore spell check of Yestreen to spell without errors.