Words that start with 'f' and contain 'gu'

Is there a word on this page that sticks out as the most common?
As far as popular words go, there's 'figure' which is the 878^th most popular word.

How many letters does the longest word from this list consist of?
The largest word is 15 characters, which is 'fatiguabilities'.

Is there an example word from this page of word that starts with 'f' and includes 'gu' which could be thought of as unusual?
The most strange word in this list is 'figurant'. According to the English dictionary, 'figurant' is defined as "One who dances at the opera, not singly, but in groups or figures; an accessory character on the stage, who figures in its scenes, but has nothing to say; hence, one who figures in any scene, without taking a prominent part.".

What is the highest scoring word you can play in Scrabble ?
With an enormous 120 entries, your best option is 'figurize' which scores 21 points.

How many usable words can you put together using the combination specified?
It's possible to make 120 words from the specified combination.