In Chordle you can search several song sites directly from within the app, allowing you to import songs you find there into your song library.
First, switch to the online search pane, select one of the supported sites and enter the title of the song you want to find:

💡 Using each site will require you to agree to its terms before you can search.
Tap on the search result that you want to use to preview it. If you are happy with the song as a starting point, tap:
Save songto add it to your library and play it immediatelySave and editto add it to your library and immediately open the edit song screen so you can tweak the song content before playing it