1. trimestral   quarterly   winter   summer   quarter   Hint Half-n-half Clue   2. semestralmente   weekly   spring   half-yearly   quarterly   Half-n-half Clue   3. monções   monsoon   biannual   quarter   weekly   Half-n-half Clue   4. trimestre   weekly   monthly   quarter   autumn, fall   Half-n-half Clue   5. mensal   autumn, fall   fortnight   biannual   monthly   Half-n-half Clue   6. anual   quarter   annual   spring   biannual   Half-n-half Clue   7. inverno   biannual   fortnight   winter   spring   Half-n-half Clue