Yes, sycamore is a Scrabble word!

Noun

1. Variably colored and sometimes variegated hard tough elastic wood of a sycamore tree
2. Any of several trees of the genus Platanus having thin pale bark that scales off in small plates and lobed leaves and ball-shaped heads of fruits
3. Eurasian maple tree with pale grey bark that peels in flakes like that of a sycamore tree; leaves with five ovate lobes yellow in autumn
4. Thick-branched wide-spreading tree of Africa and adjacent southwestern Asia often buttressed with branches rising from near the ground; produces cluster of edible but inferior figs on short leafless twigs; the biblical sycamore