Antonyms (abbr.), 4 letters
Antonyms, briefly, 4 letters
Antonyms, for short, 4 letters
Big and small, e.g.: Abbr., 4 letters
H and C, on faucets, 4 letters
Plus and minus: Abbr., 4 letters
Pos. and neg., 4 letters
Pos. and neg., e.g., 4 letters
Sm. and lge., e.g., 4 letters
Sometimes they attract (Abbr.), 4 letters
The other team: abbr., 4 letters
They may be polar (Abbr.), 4 letters