Radiator or windshield washer tank.
The thing that is a sash like object that holds a katana is called an obi.
a clamp
The thing that holds dead man ashes is called an Urn I believe :)
A bobbin or a Spool
A sheath.
Filament.
sunglasses holder?
an easel
Tomb or sarcophagus
Antifreeze and coolant are the same thing.
The "necklace" piece is called a Lanyard. Then the other piece that holds the card is called an ID Protector.
No, it is a noun (a thing).