What is the crossword answer for the clue: Great ___ River

STOUR - a 5 letter word may be the answer you are looking for!

NILE - a 4 letter word may be the answer you are looking for!

AMAZON - a 6 letter word may be the answer you are looking for!

CONGO - a 5 letter word may be the answer you are looking for!

THENILE - a 7 letter word may be the answer you are looking for!

Great ___ River

4 Character Answers:

NILE

5 Character Answers:

CONGO

STOUR

6 Character Answers:

AMAZON

7 Character Answers:

THENILE