The word Festoned is misspelled against Festooned, which is past tense of "Festoon"
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Festooned has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings fest & ned which should not be misspelled with single 'O'
Wrong Spelling:  fest-o-ned 
Correct Spelling:  fest-oo-ned 
Find more incorrect spellings of Festooned to spell right way.