Unscramble Oniisps

What is the meaning of word oniisps unscrambled?

What 7 letter words can be made from letters O N I I S P S:

1. isospin - Definition of isospin

2. sinopis - Definition of sinopis

Make more words by adding or removing letters

How many 6 letter words can you make from letters O N I I S P S?

1. opsins - Definition of opsins

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling niisps
2) Removing the letter N and unscrambling oiisps
3) Removing the letter I and unscrambling onisps
4) Removing the letter I and unscrambling onisps
5) Removing the letter S and unscrambling oniips
6) Removing the letter P and unscrambling oniiss
7) Removing the letter S and unscrambling oniisp

More anagrams containing the letters O N I I S P S
oniissp onipiss ssionpi snipios