In total, how many words could one make using this combination of letters?One could derive 3 words from the combination you specified.
In Scrabble, what's the best score possible from words that start with 'oak' and contain 'w'?As there is merely a handful of words to choose from, you're obligated to go with 'oakweb' scoring 15 points.
Which word in particular on this page has the largest letter count?The biggest word is 9 characters, which is 'oakenshaw'.