There are numerous threads here discussing the use of Excel workbooks for Find/Replace data and for using Find/Replace to highlight text. For example, the following show how to use an Excel workbook for Find/Replace:
https://www.msofficeforums.com/word-...html#post34254
https://www.msofficeforums.com/word-...html#post61860
https://www.msofficeforums.com/word-...support-3.html
The following show a number of ways you might go about the highlighting:
https://www.msofficeforums.com/word-...html#post53881
https://www.msofficeforums.com/word-...per-nouns.html
https://www.msofficeforums.com/word/...html#post34984
This one even does both:
https://www.msofficeforums.com/word-...e-ms-word.html

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]