Námesake. n.s. One that has the same name with another.
Nor does the dog fish at sea, much more make out the dog of land, than that his cognominal, or namesake in the heavens. Brown's Vulgar Errours, b. iii.
One author is a mole to another: it is impossible for them to discover beauties; they have eyes only for blemishes: they can indeed see the light, as is said of their namesakes; but immediately shut their eyes. Addison's Spectator.