Words that start with 'gr' and contain 'i'

What's the biggest word you can make with the combination specified?
'Granulocytopoiesis' is the biggest word that we could construct.

What is an unusual word from all the word combinations possible on this list?
The most weird word in this list is 'griff'. 'Griff''s definition is "1. Grasp; reach. [Obs.] A vein of gold ore within one spade's griff. Holland. 2. Etym: [Cf. F. Griffe, g. Griff, prop., a grasping.] (Weaving) An arrangement of parallel bars for lifting the hooked wires which raise the warp threads in a loom for weaving figured goods. Knight.", according to the English dictionary.

Is there a word on this page that stands out as the most popular?
We've discovered that 'growing' is the 1577^th most common word.

How many usable words could one put together using the specified combination?
You could derive 1,123 words from this combination.

In Scrabble, what is the highest possible score possible using words that start with 'gr' and include 'i'?
With numerous words to select from, your best option is to choose 'grizzly' which scores 29 points.