Words beginning with 'ir'

How many letters does the largest word from this list contain?
The word 'irreconciliableness' has 19 characters.

Is there a word on this page that stands out as the most popular?
The most popular word in the dictionary is 'iron', which is actually the 1402^nd most popular word in this list.

What's the highest scoring word you can play in Scrabble ?
Since there are tons of words from which to select, you'll want to try 'irishize' which scores 20 points.

Is there an example of a word from this page of word that starts with 'ir' which might be considered as unusual?
The most weird word from this list is 'irrecognizable'. It means "Not recognizable. Carlyle.".

How many words can you make using the combination of letters requested?
From this list of words that start with 'ir', you have 659 combinations that are available.