Once logged into Amazon Ads, you are at the campaign manager. You can see all your ad campaigns in the main part of the screen.
You click on your ad campaign name and then click on search terms on the left menu (depending which campaign you picked, you may not see search terms on the left, so you might have to click the campaign name again).
Make sure to change the date range. If it is set to today and in the morning you do the above, there may not be any info showing. So make sure you change the date range.
there you can see all the keywords used in all your campaigns.
Click "Measurement & Reporting" on the left menu, then "Sponsered Ads Report".
Click "Create Report" and it will process. Once done, you can click the small arrow pointing down to download it. It will save the excel file into your download folder.
I recommend copy or cutting this file and pastein into a folder called Amazon Ad Reports. Rename the file to something like Amazon Ads Report 2023 02 28.
Once you are ready you can open the file and look at all the search terms, see all the stats with each. Compare everything that is tracked.