Unscramble Proisign

What is the meaning of word proisign unscrambled?

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

Make more words by adding or removing letters

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

1. origins - Definition of origins

2. poising - Definition of poising

3. prising - Definition of prising

4. prosing - Definition of prosing

5. signior - Definition of signior

6. signori - Definition of signori

7. spiring - Definition of spiring

8. sporing - Definition of sporing

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter P and unscrambling roisign
2) Removing the letter R and unscrambling poisign
3) Removing the letter O and unscrambling prisign
4) Removing the letter I and unscrambling prosign
5) Removing the letter S and unscrambling proiign
6) Removing the letter I and unscrambling proisgn
7) Removing the letter G and unscrambling proisin
8) Removing the letter N and unscrambling proisig

More anagrams containing the letters P R O I S I G N
proising proisngi rgsoinip pirsgoni