Perhaps consider;Distribution; to allocate, to share out, to pass out.
Col (noun) is a three letter word for mountain pass.
Maybe it's the word pass.
When you pass out, you FAINT :0)
faint
mete
bypass?
Successfully is a 12 letter word with three set of double letters. Stubbornness is another 12 letter word.
pass
faint
pass
gap