Enter a clue or pattern or both:
The Clue
You might exchange words with them (8 letter answer)
The Answer
INITIALS
Tags
Notes
The answer INITIALS is rarely seen, appearing only about once every 2100 puzzles.
Related Clues
Monogram
Monograms
F.D.R., for example
Hanky embroidery
Personal letters
Signs a memo
Definition
INITIAL as a noun:
1. the first letter of a word (especially a person's name); "he refused to put the initials FRS after his name"
INITIAL as a verb:
1. mark with one's initials