The word Feithering. is misspelled against Feathering., which is past perfect of "Feather"
-->
Feathering. has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets f & thering. is misspelled as 'EI'
Wrong Spelling:  f-ei-thering. 
Correct Spelling:  f-ea-thering. 
Find more wrongly spelled words of Feathering. to spell it well.