See If You Can Get Any Of The 3 Answers

Riddle:

Find an English word which is singular, add an "s" and it becomes plural, and add another "s" it becomes singular again. What is it?

Answer:

There are actually 3 correct answers: Caress. Princess. Brass.

See if you can get any of the 3 answers Riddle Meme. — See if you can get any of the 3 answers Riddle Meme with riddle and answer link.