Suplementar, adicional, complementar.
a.Added to supply what is wanted; additional; being, or serving as, a supplement; as, a supplemental law; a supplementary sheet or volume.
adj.auxiliary, subsidiary, supplemental, secondary similar term adj, supplemental, additive similar term
Vogais: ueeay
Consoantes: spplmntr
supplanter, splintery, sublimatory, splendor, splinter, splendour.