-usco

-usco (adjective-forming suffix, feminine -usca, masculine plural -uscos, feminine plural -uscas)

1. Alternative form of -sco; forms adjectives that signify "relation" to the word stem; sometimes pejorative

   ‎pardo (“brown”) + ‎-usco → ‎pardusco (“brownish, dun”)

   ‎verde (“green”) + ‎-usco → ‎verdusco (“greenish, somewhat green”)

-usco m (noun-forming suffix, plural -uscos)

1. Alternative form of -sco; forms augmentative nouns

   ‎piedra (“stone”) + ‎-usco → ‎pedrusco (“unworked piece of stone”)

2. Alternative form of -sco; forms collective nouns

• “-usco”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014