The word Disdeinously is misspelled against Disdainously, an adverb meaning "Disdainfully."
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Word contains consecutive vowels 'AI' in between alphabets disd & nously is misspelled as 'EI'
Wrong Spelling:  disd-ei-nously 
Correct Spelling:  disd-ai-nously 
Check more misspelled words of Disdainously to spell it correct.