Magento 2 has a search terms report that helps in knowing the top searched queries on your website.
Magento 2 custom search @ 9 USD per month
How to Open Report
To open this report, go to your Magento 2 admin panel-
- Go to report-> Marketing -> search term
- Under Search query, enter the search query you want to know the search volume for.
Add a Search Bar to Magento /inbound_button]