Unscramble Morstref

What is the meaning of word morstref unscrambled?

What 8 letter words can be made from letters M O R S T R E F:

Make more words by adding or removing letters

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

1. formers - Definition of formers

2. reforms - Definition of reforms

3. termors - Definition of termors

4. tremors - Definition of tremors

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter M and unscrambling orstref
2) Removing the letter O and unscrambling mrstref
3) Removing the letter R and unscrambling mostref
4) Removing the letter S and unscrambling mortref
5) Removing the letter T and unscrambling morsref
6) Removing the letter R and unscrambling morstef
7) Removing the letter E and unscrambling morstrf
8) Removing the letter F and unscrambling morstre

More anagrams containing the letters M O R S T R E F
morstrfe mortefrs ertfrsom omstrefr