How do you unscramble the letters "sntraciu" to make a french word?

One easier way to tackle this kind of exercise, is to list the vowels (a, e, i, , u) and then the consonants. That way it's far easier to try combinations of letters:

a, i, u c, n, r, s, t

Have you had the word "incrusta"?

Sra (aka Mme)