Unscramble Usisin

What is the meaning of word usisin unscrambled?

What 6 letter words can be made from letters U S I S I N:

Make more words by adding or removing letters

How many 5 letter words can you make from letters U S I S I N?

1. nisus - Definition of nisus

2. sinus - Definition of sinus

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter U and unscrambling sisin
2) Removing the letter S and unscrambling uisin
3) Removing the letter I and unscrambling ussin
4) Removing the letter S and unscrambling usiin
5) Removing the letter I and unscrambling usisn
6) Removing the letter N and unscrambling usisi

More anagrams containing the letters U S I S I N
usisni usniis iunssi susiin