Boatswun or Boatswain: How To spell?
The word Boatswun is misspelled against Boatswain, meaning "A subordinate officer of a vessel, who has general charge of the rigging, anchors, etc."
Word contains consecutive vowels 'AI' in between alphabets boatsw & n is misspelled as 'U'Wrong Spelling:  boatsw-u-n  Correct Spelling:  boatsw-ai-n 
Check more misspelled words of Boatswain to spell it correct.