There are a few reasons why you might want to reinstall macOS (or even Mac OS X). Perhaps your Mac is working erratically and you think that a clean install of the operating system might fix the issue ...
Of the problems reported with the System Update to 10.4.10, loss of USB functionality remains one of the most pervasive. That approach is actually riskier, because you are proposing to "mix and match" ...
Two recent Apple KB articles of note: 106605: Mac OS X 10.1: Do Not Reinstall After Using the Mac OS X Update 10.1.1 states: "You should not reinstall Mac OS X 10.1 ...