Lenticula :: Lenticula (n.) A kind of eruption upon the skin; lentigo; freckle.
Lenticular :: Lenticular (a.) Resembling a lentil in size or form; having the form of a double-convex lens.
Menticultural :: Menticultural (a.) Of or pertaining to mental culture; serving to improve or strengthen the mind.
Semilenticular :: Semilenticular (a.) Half lenticular or convex; imperfectly resembling a lens.