Is chost/chosting pronounced like Choast as in Roast or Chosst as in a TV series that really disappointed you but you have nostalgia for anyway (Lost)

30s/white/tired/coyote/&
Words are my favorite stim toy
Is chost/chosting pronounced like Choast as in Roast or Chosst as in a TV series that really disappointed you but you have nostalgia for anyway (Lost)
I'm about 99% sure it's pronounced like 'coast', but I'm willing to accept corrections.
I postulate it could be chead otherwise. In this chessay I chill