sustentate

As a noun terms

is .

As a verb sustentate is

(obsolete|transitive) to sustain.

As verbs the difference between sustentated and sustentate

is that sustentated is (sustentate) while sustentate is (obsolete|transitive) to sustain.

As verbs the difference between sustain and sustentate

is that sustain is to maintain, or keep in existence while sustentate is (obsolete|transitive) to sustain.

As a noun sustain

is (music) a mechanism which can be used to hold a note, as the right pedal on a piano.