Unscramble Attrs

What is the meaning of word attrs unscrambled?

What 5 letter words can be made from letters A T T R S:

1. start - Definition of start

2. tarts - Definition of tarts

Make more words by adding or removing letters

How many 4 letter words can you make from letters A T T R S?

1. arts - Definition of arts

2. rats - Definition of rats

3. star - Definition of star

4. stat - Definition of stat

5. tars - Definition of tars

6. tart - Definition of tart

7. tats - Definition of tats

8. tsar - Definition of tsar

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter A and unscrambling ttrs
2) Removing the letter T and unscrambling atrs
3) Removing the letter T and unscrambling atrs
4) Removing the letter R and unscrambling atts
5) Removing the letter S and unscrambling attr

More anagrams containing the letters A T T R S
attsr rastt ratst tatrs