- tips < recommendations
- promotion < spread (pending votes, thanks mac9416)
- themes < theme
- programming < coding
- uninstall < removal
- uninstall < remove
- desktop < ubuntu-desktop (assuming "ubuntu" is redundant)
- user-space < userspace (Wikipedia uses 2 words: user space)
- dependencies < dependency (assuming the plural is preferred)
I'm not sure of the best order of the latter two suggestions.
Release Tags
These are just the tags that actually exist on the site, there is also at least one question tagged jaunty but there isn't a 9.04 tag.