Unscramble Oniopses

What is the meaning of word oniopses unscrambled?

What 8 letter words can be made from letters O N I O P S E S:

1. opsonise - Definition of opsonise

2. spoonies - Definition of spoonies

Make more words by adding or removing letters

How many 7 letter words can you make from letters O N I O P S E S?

1. poisons - Definition of poisons

2. spinose - Definition of spinose

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling niopses
2) Removing the letter N and unscrambling oiopses
3) Removing the letter I and unscrambling onopses
4) Removing the letter O and unscrambling onipses
5) Removing the letter P and unscrambling onioses
6) Removing the letter S and unscrambling oniopes
7) Removing the letter E and unscrambling oniopss
8) Removing the letter S and unscrambling oniopse

More anagrams containing the letters O N I O P S E S
oniopsse onioseps enooisps ososenpi