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