What's the difference between freshet and landflood?

Freshet

Definition:

• (a.) A stream of fresh water.
• (a.) A flood or overflowing of a stream caused by heavy rains or melted snow; a sudden inundation.

Example Sentences:

Landflood

Definition:

• (n.) An overflowing of land by river; an inundation; a freshet.

Example Sentences: