Unscramble Infrrset

What is the meaning of word infrrset unscrambled?

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

Make more words by adding or removing letters

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

1. snifter - Definition of snifter

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling nfrrset
2) Removing the letter N and unscrambling ifrrset
3) Removing the letter F and unscrambling inrrset
4) Removing the letter R and unscrambling infrset
5) Removing the letter R and unscrambling infrset
6) Removing the letter S and unscrambling infrret
7) Removing the letter E and unscrambling infrrst
8) Removing the letter T and unscrambling infrrse

More anagrams containing the letters I N F R R S E T
infrrste infrrtes fritersn irrtnesf