1. léto   winter   annual   summer   fortnight   Hint Half-n-half Clue   2. half-yearly   half-yearly   quarter   monsoon   weekly   Half-n-half Clue   3. fortnight   summer   biannual   fortnight   monsoon   Half-n-half Clue   4. zimá   week   winter   quarter   weekly   Half-n-half Clue   5. godichnyj, yezhegodnyj   monthly   quarter   annual   autumn, fall   Half-n-half Clue   6. monsoon   spring   half-yearly   monsoon   fortnight   Half-n-half Clue   7. biannual   half-yearly   biannual   monsoon   quarter   Half-n-half Clue