Spell Check Cofferdam

Cofferdam, a noun meaning "A water-tight inclosure, as of piles packed with clay, from which the water is pumped to expose the bottom (of a river, etc.) and permit the laying of foundations, building of piers, etc." is misspelled in many ways.

The word Cofferdam contains confusing strings of alphabets like double "ff" is mispronounced as "f", etc., which are prone to be misspelled. Find all incorrect spellings of Cofferdam and tips to spell right way.

Misspelled Word	How Mispronounced	Spelling Tips
Coferdam	Co-f-erdam  Co-ff-erdam	Remember double 'FF' in between the strings Co & erdam which should not be misspelled with single 'F'

Spell check all words starting with alphabets CO