Synonyms for Birch (same or very similar meaning)
WordNet sense 1 (any betulaceous tree or shrub of the genus Betula having a thin peeling bark):
birch treeWordNet sense 2 (a switch consisting of a twig or a bundle of twigs from a birch tree; used to hit people as punishment):
birch rodWordNet sense 3 (consisting of or made of wood of the birch tree):
birchen, birkenWordNet sense 4 (made of or containing or resembling wood):
woodyFrom the ODE community, based on WordNetadd/edit