levee vs embankment

levee and embankment both are nouns.

Word	Noun	Adjective	Verb	Adverb
levee	Yes	No	No	No
embankment	Yes	No	No	No

As nouns, embankment is a hypernym of levee; that is, embankment is a word with a broader meaning than levee:

levee: an embankment that is built in order to prevent a river from overflowing
embankment: a long artificial mound of stone or earth; built to hold back water or to support a road or as protection

levee (noun)	embankment (noun)
an embankment that is built in order to prevent a river from overflowing	a long artificial mound of stone or earth; built to hold back water or to support a road or as protection
a pier that provides a landing place on a river
a formal reception of visitors or guests (as at a royal court)