--> Foolhardily has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings f & lhardily which should not be misspelled with single 'O'
Wrong Spelling:  f-o-lhardily 
Correct Spelling:  f-oo-lhardily 
Find more incorrect spellings of Foolhardily to spell right way.