The word Unagreeible is misspelled against Unagreeable, an adjective meaning "Disagreeable."
-->
Unagreeable has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets unagre & ble is misspelled as 'EI'
Wrong Spelling:  unagre-ei-ble 
Correct Spelling:  unagre-ea-ble 
Find more wrongly spelled words of Unagreeable to spell it well.