Unscramble Terspins

What is the meaning of word terspins unscrambled?

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

1. spinster - Definition of spinster

Make more words by adding or removing letters

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

1. esprits - Definition of esprits

2. estrins - Definition of estrins

3. inserts - Definition of inserts

4. insteps - Definition of insteps

5. persist - Definition of persist

6. priests - Definition of priests

7. pterins - Definition of pterins

8. sinters - Definition of sinters

9. snipers - Definition of snipers

10. spinets - Definition of spinets

11. spriest - Definition of spriest

12. sprints - Definition of sprints

13. sprites - Definition of sprites

14. stirpes - Definition of stirpes

15. stripes - Definition of stripes

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter T and unscrambling erspins
2) Removing the letter E and unscrambling trspins
3) Removing the letter R and unscrambling tespins
4) Removing the letter S and unscrambling terpins
5) Removing the letter P and unscrambling tersins
6) Removing the letter I and unscrambling terspns
7) Removing the letter N and unscrambling terspis
8) Removing the letter S and unscrambling terspin

More anagrams containing the letters T E R S P I N S
terspisn terspnis isterpns srtpsine