Re vs. Ref
Difference Between Re and Ref
About, regarding, with reference to; especially in letters and documents.
(informal) A referee.
(music) Ray, a syllable used in solfège to represent the second note of a major scale.
a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
(informal) To referee; to act as a referee in a sport or game.
ancient hawk-headed Egyptian sun god; a universal creator
(sports) the chief official (as in boxing or American football) who is expected to ensure fair play
the syllable naming the second (supertonic) note of any major scale in solmization