Name already in use

Ignore instances of:
* 'dedented', 'resizeable'
* 'falsy' for Falsy in Python
* 'hax' for horizontal axis
* 'inh' for invalid height

Remove ignore of 'sur' as it is in codespell's dictionary as of v2.2.0.
   - c.f. https://github.com/codespell-project/codespell/releases/tag/v2.2.0