Residual vs Re - What's the difference?

As an adjective residual

is of, relating to, or remaining as a residue; left over.

is a remainder left over at the end of some process.

an island off the west coast of france, by la rochelle.

(-)

Of, relating to, or remaining as a residue; left over.

* residuary

(en noun)

A remainder left over at the end of some process.

(in the plural) Payments made to performers, writers and directors when a recorded broadcast is repeated.

(wikipedia re)

From (etyl) .

(English prepositions)

About, regarding, with reference to; especially in letters and documents.

* in re * in rem

(-)

Ray]], a syllable used in [[solfège to represent the second note of a major scale.

(en)

(-)

Reinsurance.