* Craftsmanship: This emphasizes the skill and artistry involved in carpentry.
* Construction: This focuses on the act of building or making something.
* Woodworking: This highlights the material used by carpenters.
* Carpentry: This is the most direct option, but it's a noun that describes the activity itself rather than a specific abstract concept.
Ultimately, the best abstract noun to use depends on the specific meaning you want to convey.