> 3. The answer word list does not appear to have a lot of plurals or common vowel endings for past tense, etc. Or obscure words. I guess it depends on one's v

> 3. The answer word list does not appear to have a lot of plurals or common vowel endings for past tense, etc. Or obscure words. I guess it depends on one's vocabulary, but for non-native speaker it sure does have some obscure words and more importantly technical terms. For example TRUSS. While not exactly an "obscure" word, unless one has familiarity with technical construction terminology non-native speaker most probably is not familiar with such a word. It is just not a word one would expect to appear in a fiction book, film or casual conversation.