--> Hoonoomaun has double 'oo' twice appearing mispronounced as 'o'
Remember double 'OO' appears twice in this word which should not be misspelled with single 'O'
Wrong Spelling:  h-o-n-o-maun 
Correct Spelling:  h-oo-n-oo-maun 
Check more misspelled words of Hoonoomaun to spell it correct.