Words that start with 'a' and contain 'cet'

What is the largest word you can assemble with the combination specified?
The largest word is 21 characters, which is 'acetylphenylhydrazine'.

In Scrabble, what is the highest possible score you can get from words that start with 'a' and include 'cet'?
With the huge number of words from which to select, your best option is to consider 'acetoxyl' scoring 20 points.

What is a peculiar word from the combinations available ?
A good example of a strange word from this page is 'avocet'. The definition of 'avocet' is as follows: "A grallatorial bird, of the genus Recurvirostra; the scooper. The bill is long and bend upward toward the tip. The American species is R. Americana. [Written also avocette.]".

What's the most common word for this page?
A well-known word for your search is 'ascetic'.

What is the max number of words you could make from words that start with 'a' and include 'cet'?
On this page of words starting with 'a' that contain 'cet', you have 229 unique combinations that can be selected.