1. voliera   nest   hole   aviary   cave   Hint Half-n-half Clue   2. alveare   cage   hive   cave   burrow   Half-n-half Clue   3. grotto, caverna   apiary   nest   stable   cave   Half-n-half Clue   4. nido   nest   cave   shed   hive   Half-n-half Clue   5. buco   hole   cave   apiary   nest   Half-n-half Clue   6. gabbia   cage   apiary   shed   aviary   Half-n-half Clue   7. apiario   burrow   nest   apiary   cave   Half-n-half Clue