1. maishuu   winter   weekly   quarter   half-yearly   Hint Half-n-half Clue   2. shihanki   quarterly   week   autumn, fall   quarter   Half-n-half Clue   3. shuu   fortnight   spring   half-yearly   week   Half-n-half Clue   4. haru   monsoon   spring   quarter   winter   Half-n-half Clue   5. maitsuki   week   monsoon   monthly   spring   Half-n-half Clue   6. natsu   fortnight   autumn, fall   summer   daily   Half-n-half Clue   7. nenyonkai   monthly   fortnight   quarterly   half-yearly   Half-n-half Clue