Similar words
costal
costal and saco are close synonyms for "sack, bag," a large burlap sack; costal is more regional, common in Mexico for grain sacks.
Similar in other languages
Portuguese
saca
saca is the Portuguese word for the same thing — both mean "sack."
Practice
1 What does saco mean?
sack
2 Fill the gap: Lleva un ___ de patatas.
Full sentence: Lleva un saco de patatas. (He carries a sack of potatoes.)
3 Which fingerprint chart matches saco?
saco: neutral register, common frequency, general domain, neutral connotation.