Open the Competitive Research tool and go to Organic traffic research → Keywords.
To add keywords to a project, click on "Add to project". Then choose a project and a group to import keywords to, and click "Add keywords".
About search volume data
The monthly search volume shown for keywords here is based on Google Keyword Planner data. Because different tools use different data sources, sampling and update cycles, these figures may differ from Google Keyword Planner, Semrush, or other tools, and a keyword can show 0 when Keyword Planner does not return a value for it. For region selection and more details on how volumes are checked, see Search Volume Checker.