In the Unknown origin, Leaf means "Leaf \leaf\ as a boy's name.
The baby name Leaf sounds like Leif, Lief, Lev, Levi, Levy and Lew. Other similar baby names are Lea, Lee, Jeff, La-, Lad, Le-, Leo, Leary, Lech, Le, Lem, Lenn, Len, Leon, Les, Liam and Olaf."