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.

You might be interested to know

Crok or Crook?

Dor or Door?

Eozons or Eozoons?