[1] Other than a small set of changes between OSPD3 and the current OTCWL.
[2] For a sorting out of all the dictionary terminology, see John Chew's explanation.
[3] A stem is a set of letters considered with respect to letters which can be added to make an anagrammable set.
[4] "SOWPODS" is the union of the British and North American lexicons.
[ up to the FAQ homepage ]