yes
There is no river called Laguna de Bay. Instead, it is the is the largest lake in the Philippines.
There is a Delaware river that goes through Delaware. There is a bay near called the Chesapeake bay! It's between Maryland and Delaware!
Yes they did in fact it was called the Jamestown river
There is a Hudson River and also a Hudson Bay.
Please rephrase - the question is unclear.
shoreline ;)
delta
Cleveland.
An estuary
Depends on which end you mean. The beginning of the river, the top end, is called the headwaters. The other end is called the mouth, or delta.
A delta if it speads out into many arms, an estuary if it gets deeper and turns into a long skinny bay.