Unscramble Rtfifos

What is the meaning of word rtfifos unscrambled?

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

Make more words by adding or removing letters

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

1. fortis - Definition of fortis

2. soffit - Definition of soffit

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling tfifos
2) Removing the letter T and unscrambling rfifos
3) Removing the letter F and unscrambling rtifos
4) Removing the letter I and unscrambling rtffos
5) Removing the letter F and unscrambling rtfios
6) Removing the letter O and unscrambling rtfifs
7) Removing the letter S and unscrambling rtfifo

More anagrams containing the letters R T F I F O S
rtfifso rtfiofs iftrosf tiofsfr