The mouth of a river is the outlet.
bridge
Source.
rapids
Deltas
Wabash River
Albany, Hudson (ha ha - but it's true), Beacon
Anthem is a six letter word ending with them.
A six letter word for 'snake' is python.
One six-letter word with "m" as the second letter is "flame."
Accord is a six letter word. Accrue is another six letter word.
a six letter word that begins with v is violin;)
A six letter word that starts with U is upward.