There are about three types of characters that have 月 as a radical. Most of them mean things related to flesh and meat, a few mean things related to the moon, and very few are other radicals mistaken as 月. Three characters that mistake 舟(boat) as 月 are 服,朝 and 朕.
月 有 朋 服 期 肚 肤 肥 胖 能 脏 脑 脚 脱 脸 脾 腿 肯 育 望 膏