Hi Steve,
If you want auto-linking to work only on specific instances of the keyword, a possible solution is to use an affix in the glossary entry keyword & the keywords in the texts that you want linked to. It'd work something like hashtags, but you can decide which character(s) you'd like to use on a case by case basis, e.g.
Glossary entry keyword: #dolor sit amet
Word in text to be linked to: Lorem ipsum #dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
You may need to experiment to get the exact results you'd like.
I hope this helps!