Words beginning with 'kil'

How many letters does the biggest word from this list consist of?
The longest word is 13 letters long, which is 'kilbrickenite'.

Which is the most unusual word that starts with 'kil'?
Standing as the most strange word on this list is 'kilogramme'. 'Kilogramme''s definition is "A measure of weight, being a thousand grams, equal to 2.2046 pounds avoirdupois (15,432.34 grains). It is equal to the weight of a cubic decimeter of distilled water at the temperature of maximum density, or 39º Fahrenheit.", according to the English dictionary.

What is the max number of words you're able to construct using this combination of letters?
From this list of words beginning with 'kil', you have 144 entries which are possible.

What's the highest scoring word in Scrabble you can play for ?
As there are an extensive 144 entries, your best option is 'killjoys' which scores 22 points in total.

Is there any word on this page that jumps out as the most common?
We've identified that 'killed' is the 1175^th most common word.