Later, Ichikishimahime was syncretized with the Buddhist goddess Saraswati (known in Japan as Benzaiten) and worshiped as Benzaiten through the Honji-suijaku theory, which holds that buddhist deities appear to the Japanese as Shinto deities.
後に仏教の弁才天と習合し、本地垂迹において同神とされた。