Tentlessly or Taintlessly: How To spell?

The word Tentlessly is misspelled against Taintlessly, an adverb meaning "In a taintless manner."

Word contains consecutive vowels 'AI' in between alphabets t & ntlessly is misspelled as 'E'
Wrong Spelling:  t-e-ntlessly 
Correct Spelling:  t-ai-ntlessly 
Explore spell check of Taintlessly to spell without errors.

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