Words that include 'foo'

What's the longest word you can construct using the combination of letters specified?
The biggest word is 15 letters, which is 'overfoolishness'.

What's an interesting word from all the combinations available ?
The most weird word in this list is 'foothot'. The definition of 'foothot' is as follows: "Hastily; immediately; instantly; on the spot; hotfloot. Gower. Custance have they taken anon, foothot. Chaucer.".

How many words could one put together using the combination specified?
You could make 399 words overall.

Which word with 'foo' in them is the most popular word in the dictionary?
We're able to verify that 'foot' is the 804^th most common word.

What is the highest number of points you can get in Scrabble from this list of words that include 'foo'?
With an enormous 399 entries, your best option is 'furfooz' scoring 22 points overall.