Nothing wrong until you get sued by a megacorp because they think you are infringing. Plus a host of other reasons

https://www.google.com/amp/s/amp.theguardian.com/technology/2013/apr/29/trademarks-good-bad-ugly

Time for patent and trademark law to be thrown out and redesigned. Seems that now it’s mainly used to create moats for entrenched businesses to keep profits high and competitors out.