If you're looking for a related noun, you could consider:
* Delicateness: This refers to the quality of being delicate, fragile, or refined.
* Deliciousness: This refers to the quality of being delicious.
* Exquisiteness: This refers to the quality of being exquisite, extremely beautiful or refined.
However, if you're simply looking for the noun form of "delicacy," it's already in its noun form.