Logwod or Logwood: How To spell?

The word Logwod is misspelled against Logwood, a noun meaning "The heartwood of a tree (Haematoxylon Campechianum), a native of South America, It is a red, heavy wood, containing a crystalline substance called haematoxylin, and is used largely in dyeing. An extract from this wood is used in medicine as an astringent. Also called Campeachy wood, and bloodwood."