In total, how many words can one make using these particular combinations of letters?It's possible to make 2 words using the combination you searched for.
In Scrabble, what's the highest possible score you can get using words ending in 'unu'?Since there are only 2 results to pick from, the only word you can go for is 'gigunu' which scores 8 points.
How many letters are in the longest word from this page?The biggest word found by Dictionarypedia is 'gigunu'.