The first syllable gets the accent. It would be pronounced VESS (rhymes with Yes) 'l (the final syllable has an almost silent e). Vess'l.
"Vessel" has the first syllable accented.
The first.
second accented syllable
a second accented syllable
It is accented in the second syllable.
The second.
The first syllable of kettle is accented.
Shoulder is accented on the first syllable.
"Ignore" is accented on the second syllable.
Before is accented on the second syllable.
It is accented on the second syllable.
Applaud is accented on the second syllable.