The Flight Planner chart supports both Enroute and Terminal area fixes (intersections). They may be turned off by default but you can enable them and then save them to always be on whenever you use the flight planner.
To turn them on, click on the Overlays button in the top button bar. Expand the Routing group and then check the options next to the Enroute and Terminal Fixes. Note that each one also has a separate option for showing the labels for each one (see screenshot below). If you want to save these overlays to always be on, click the Save button at the bottom of the Overlays window and that will save them to your custom preferences.
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