Structurally

Esperanto is not only nominally but also structurally an international language.

From a lexical point of view, Esperanto appears to be an Indo-European language, but structurally it is an isolating language, like Chinese.

Structurally it's in good shape.

This building is not structurally sound.

Phoenician and Hebrew are structurally similar.

The building is structurally unsound.

After the hurricane, the building was structurally sound but aesthetically displeasing.

Being structurally deficient does not necessarily mean that the bridge is unsafe, but it does mean it’s in need of repair.

Harringay: The station booking office has been permanently closed, after it was declared structurally unsafe.