Synonyms for Shittimwood (same or very similar meaning)
WordNet sense 1 (deciduous tree of southeastern United States and Mexico):
chittamwood, chittimwood, false buckthorn, black haw, Bumelia lanuginosa
WordNet sense 2 (shrubby thorny deciduous tree of southeastern United States with white flowers and small black drupaceous fruit):
shittim, southern buckthorn, mock orange, Bumelia lycioides
From the ODE community, based on WordNet
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