The word Doubtlesly is misspelled against Doubtlessly, an adverb meaning "Unquestionably."
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Doubtlessly has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings doubtle & ly which should not be misspelled with single 'S'
Wrong Spelling: doubtle-s-ly
Correct Spelling: doubtle-ss-ly
Check more misspelled words of Doubtlessly to spell it correct.