Unscramble Certaiss

What is the meaning of word certaiss unscrambled?

What 8 letter words can be made from letters C E R T A I S S:

1. Castries - Definition of Castries

2. scariest - Definition of scariest

Make more words by adding or removing letters

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

1. actress - Definition of actress

2. ascites - Definition of ascites

3. atresic - Definition of atresic

4. Cassite - Definition of Cassite

5. casters - Definition of casters

6. cristae - Definition of cristae

7. ectasis - Definition of ectasis

8. raciest - Definition of raciest

9. racists - Definition of racists

10. recasts - Definition of recasts

11. sacrist - Definition of sacrist

12. satires - Definition of satires

13. stearic - Definition of stearic

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter C and unscrambling ertaiss
2) Removing the letter E and unscrambling crtaiss
3) Removing the letter R and unscrambling cetaiss
4) Removing the letter T and unscrambling ceraiss
5) Removing the letter A and unscrambling certiss
6) Removing the letter I and unscrambling certass
7) Removing the letter S and unscrambling certais
8) Removing the letter S and unscrambling certais

More anagrams containing the letters C E R T A I S S
certasis certassi rcsaesit carsitse