Well, as of now, pdurrant is leading with 5.1/3 pts., and I will summarize the remaining questions below:
6. What word, by changing the position of one letter, becomes its opposite?
9. What word, when deprived of one of its letters, makes you sick?
10. Is there a word in the English language that contains all the vowels?
11. In a certain word the letter L is in the middle, in the beginning, and at the end. There is only one L in the word. What is this peculiar word?
14. Can you think of two eight-letter words, one of which has one syllable and the other five syllables?
16. Which word in the English language contains the greatest number of letters?
17. There is a common word of three syllables from which, if you take away five letters, a male will remain. If you take away four letters, a female will remain. If you take away three, a great man will appear, and the whole word tells you what Joan of Arc was.
18. What word of ten letters might be spelled with five?
20. What word of eight letters is there from which you can subtract five and leave ten?
21. There are two words in the English language in which the five vowels follow each other in their regular order—A, E. I, O, U. Which words are they?
22. What word of four syllables represents Sin riding on a little animal?
23. What is the longest word in the English language?
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pdurrant - 5.1/3 points
doubleshuffle - 4.2/3 points
orlok - 1 point
There are enough number of points remaining to be earned, which may change the winning tally considerably.