Unscramble Spifstr

What is the meaning of word spifstr unscrambled?

What 7 letter words can be made from letters S P I F S T R:

Make more words by adding or removing letters

How many 6 letter words can you make from letters S P I F S T R?

1. firsts - Definition of firsts

2. spirts - Definition of spirts

3. sprits - Definition of sprits

4. stirps - Definition of stirps

5. strips - Definition of strips

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling pifstr
2) Removing the letter P and unscrambling sifstr
3) Removing the letter I and unscrambling spfstr
4) Removing the letter F and unscrambling spistr
5) Removing the letter S and unscrambling spiftr
6) Removing the letter T and unscrambling spifsr
7) Removing the letter R and unscrambling spifst

More anagrams containing the letters S P I F S T R
spiftrs spiftsr istprfs strfpis