enharmonic

Adj

Describing two or more identical or almost identical notes that are written differently when in different keys. (Whether they are identical and what the exact equivalences are depends on the tuning used.)
Of or pertaining to a tetrachord.

Examples

"C sharp is enharmonic to D flat in twelve-tone equal temperament, but in most other tuning systems they are distinct pitches."

Origin / Etymology

From Latin enharmonicus, from Late Latin enarmonius, from Ancient Greek ἐναρμόνιος (enarmónios), from ἐν (en)+ἁρμονία (harmonía).

Scrabble Score: 17

enharmonic is a valid Scrabble (US) TWL word
enharmonic is a valid Scrabble Word in Merriam-Webster MW Dictionary
enharmonic is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 20

enharmonic is a valid Words With Friends word