support

As a noun support

is something which supports often used attributively, as a complement or supplement to.

As a verb support

is (senseid)to keep from falling.

As an adjective revengeful is

vengeful, vindictive.

In lang=en terms the difference between support and leave

is that support is to be accountable for, or involved with, but not responsible for while leave is to give leave to; allow; permit; let; grant.

As nouns the difference between support and leave

is that support is something which supports often used attributively, as a complement or supplement to while leave is (cricket) the action of the batsman not attempting to play at the ball or leave can be permission to be absent; time away from one's work.

As verbs the difference between support and leave

is that support is (senseid)to keep from falling while leave is to have a consequence or remnant or leave can be to give leave to; allow; permit; let; grant or leave can be (rare) to produce leaves or foliageoxford english dictionary , 2nd ed or leave can be (obsolete) to raise; to levy.