The word Exhastive is misspelled against Exhaustive, meaning "complete thorough"
-->
Word contains consecutive vowels 'AU' in between alphabets exh & stive is misspelled as 'A' as letter 'U' is phonetically ignor
Wrong Spelling:  exh-a-stive 
Correct Spelling:  exh-au-stive 
Find more wrongly spelled words of Exhaustive to spell it well.