Unscramble Usum

What is the meaning of word usum unscrambled?

What 4 letter words can be made from letters U S U M:

Make more words by adding or removing letters

How many 3 letter words can you make from letters U S U M?

1. Mus - Definition of Mus

2. sum - Definition of sum

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter U and unscrambling sum
2) Removing the letter S and unscrambling uum
3) Removing the letter U and unscrambling usm
4) Removing the letter M and unscrambling usu

More anagrams containing the letters U S U M
uums uusm suum msuu