Unscramble the letters: N A N Qu I I R A B I N S O U I O TO MAKE THE BIGGEST WORD

To unscramble the letters and find the biggest word, first, let's rearrange them:

N A N Q U I I R A B I N S O U I O

The biggest word that can be formed from these letters is "AQUINAS."

To unscramble the letters and find the biggest word, you can follow these steps:

1. Start by identifying all the possible combinations of the letters. For example, you can arrange the letters in different ways:

- NA
- NAN
- NANI
- NANIQU
- NANIQUI
- NANIQUIR
- NANIQUIRI
- NANIQUIRIB
- NANIQUIRIBI
- NANIQUIRIBIN
- NANIQUIRIBINS
- NANIQUIRIBINSO
- NANIQUIRIBINSOU
- NANIQUIRIBINSOUI
- NANIQUIRIBINSOUIO

2. Next, you can check each combination against a dictionary or use an online anagram solver to find valid words. It is important to note that not all combinations will result in meaningful or valid words.

3. In this case, the biggest word we can form from the given letters is "QUINQUINA." It is a noun that refers to a bitter solution used as an ingredient in tonic water.

Please note that there might be other valid words that can be formed from these letters, and it's always a good idea to cross-reference with a dictionary or use an anagram solver to ensure accuracy.