Liason or Liaison: How To spell?
The word Liason is misspelled against Liaison, a noun meaning "A union, or bond of union; an intimacy; especially, an illicit intimacy between a man and a woman."
Word contains consecutive vowels 'AI' in between alphabets li & son is misspelled as 'A'Wrong Spelling:  li-a-son  Correct Spelling:  li-ai-son 
Find more incorrect spellings of Liaison to spell right way.