"You may not use or register, in whole or in part, our Marks as part of your own trademark, service mark, domain name, company name, trade name, product name or service name.
You may not use names or trademarks that are similar to ours without first obtaining written approval. You therefore may not use an obvious variation of any of our Marks or any phonetic equivalent, foreign language equivalent, takeoff, or abbreviation for a similar or compatible product or service."
(Numfocus is the legal entity behind pandas and other open source projects): https://numfocus.org/trademark-guidelines