Words that start with 'g' and contain 'ma'

In Scrabble, what's the highest possible score you can get using words that start with 'g' and include 'ma'?
With a multitude of words to decide on, we would recommend going for 'guzmania' scoring 20 points overall.

Which word on this page has the largest letter count?
The largest word on this page is 'geissolomataceous'. It consists of 17 letters.

Which word that starts with 'g' and includes 'ma' is the most popular word in the dictionary?
According to our database, the most common word in the dictionary that start with 'g' and include 'ma' is 'gentleman'!

Is there an example word from this page which might be deemed as unusual?
The most peculiar word based on a recently conducted poll is 'gemmated'. The dictionary defines it as "Having buds; adorned with gems or jewels.".

How many actual words can you make with this list?
On this page of words starting with 'g' that contain 'ma', we have found 438 entries that are possible in total.