As nouns the difference between residues and residual
is that residues is plural of lang=en while residual is a remainder left over at the end of some process.
As an adjective residual is
of, relating to, or remaining as a residue; left over.
residues
English
Noun
(head)
Anagrams
*
*
residual
English
Adjective
(-)
Of, relating to, or remaining as a residue; left over.
Synonyms
* residuary
Noun
(
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.