- silvaThe forest trees of a particular area
- SylviaA female given name from Latin, a popular spelling variant of Silvia.
- SilviaA female given name from Latin.
- selvaHeavily forested ground in the Amazon basin.
- silvicolousGrowing in woodlands.
- silvicsThe study of the characteristics of trees, including especially their role in the ecology of their forest habitats; such information collected about individual trees and tree species.
- silvologyThe scientific study of forests.