Northern Ireland | Red Army | International Red Cross and Red Crescent Movement | American Red Cross | Red Hot Chili Peppers | Northern Territory | Red Sea | Oak | oak | Red Star Belgrade | Red | Little Red Riding Hood | Northern Pacific Railway | Detroit Red Wings | Red Bull | Red River | Red Hat | Kimberley, Northern Cape | Red Dwarf | Northern Illinois University | Northern Cape | Northern England | Oak Ridge National Laboratory | Oak Ridge, Tennessee | International Committee of the Red Cross | Army of Northern Virginia | Red River of the North | Northern California | Northern Italy | New York Red Bulls |
On the Janka Scale of Hardness, which measures hardness of woods, lignum vitae ranks highest of the trade woods, with a Janka hardness of 4500 lbf (compared with African Blackwood at 2940 lbf, Hickory at 1820 lbf, red oak at 1290 lbf, Yellow Pine at 690 lbf, and Balsa at 325 lbf).