Brentwood and Brentwood Solid family of doors (including Roman arched style) for Cornerstone and Millennia are offered in:
Alder | Beech | Cherry
Hickory | Maple | Red Oak
Brentwood Solid and Bretwood Arched Solid are also available in:
Black Walnut (Brentwood Solid only)
Rustic Alder | Rustic Beech
Rustic Maple | Rustic Hickory | Sapele
The image to the right shows the door profile for Brentwood (top) and Brentwood Solid (bottom).