The word Perigaun is misspelled against Perigean, an adjective meaning "Pertaining to the perigee."
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Perigean has vowels 'ea' together mispronounced as 'au'
Word contains consecutive vowels 'EA' in between alphabets perig & n is misspelled as 'AU'
Wrong Spelling:  perig-au-n 
Correct Spelling:  perig-ea-n 
Check more misspelled words of Perigean to spell it correct.