Coler or Cooler: How To spell?
The word Coler is misspelled against Cooler, a noun meaning "Anything in or by which liquids or other things are cooled, as an ice chest, a vessel for ice water, etc."
Cooler has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings c & ler which should not be misspelled with single 'O'
Wrong Spelling:  c-o-ler  Correct Spelling:  c-oo-ler 
Find more incorrect spellings of Cooler to spell right way.