You can hide the large GSC keywords from the Target Keyword page and Target Keyword metaboxes with a screen option. Go to the Target Keyword page and click the on “Screen Options” tab in the upper right corner of the page. From the list of options, check the ”
This will hide any GSC keywords that have the exact match for an active keyword’s text.
So if a post has an active keyword of “tennis shoes”, checking this will hide non-active keywords like “best tennis shoes” and “white tennis shoes”. This is because these keywords contain “tennis shoes” in their text.
It will also hide any non-active GSC keywords if they match a keyword from another source. (Yoast, Rank Math, Custom keywords…)