Crossword clues for the word: ONCA The word ONCA has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for ONCA Showing 1 to 10 of 10 results Clue(s) "An ounce, in Portugal." "Light weight, in Brazil." "Ounce, in Brazil" "Small weight, in Lisbon." Brazilian weight. Portuguese ounce. Portuguese weight. Small weight of Brazil. Weight of Brazil Weight unit of Portugal