The difference between Lave and Residue

When used as nouns, lave means the remainder, rest, whereas residue means whatever remains after something else has been removed.

Lave is also verb with the meaning: to pour or throw out, as water.

check bellow for the other definitions of Lave and Residue

Lave as a verb (transitive, obsolete):

To pour or throw out, as water; lade out; bail; bail out.

Examples:

"rfquotek Dryden"
Lave as a verb (transitive):

To draw, as water; drink in.
Lave as a verb (transitive):

To give bountifully; lavish.
Lave as a verb (intransitive):

To run down or gutter, as a candle.
Lave as a verb (intransitive, dialectal):

To hang or flap down.
Lave as a verb (ambitransitive, archaic):

To wash.

Lave as a noun:

The remainder, rest; that which is left, remnant; others.
Lave as a noun:

A crowd

Residue as a noun:

Whatever remains after something else has been removed.
Residue as a noun (chemistry):

The substance that remains after evaporation, distillation, filtration or any similar process.
Residue as a noun (biochemistry):

A molecule that is released from a polymer after bonds between neighbouring monomers are broken, such as an amino acid in a polypeptide chain.
Residue as a noun (legal):

Whatever property or effects are left in an estate after payment of all debts, other charges and deduction of what is specifically bequeathed by the testator.
Residue as a noun (mathematics):

A form of complex number, proportional to the contour integral of a meromorphic function along a path enclosing one of its singularities.