i Register
In some senses, ecbole is marked as rare. Watch for register when choosing this word.
noun
A digression, (especially) one in which a person is introduced speaking his or her own words.
The raising or sharping of a tone, especially (historical) in relation to Ancient Greek music.
Ecbole: a […] change in the enharmonic genus, by the accidental elevation of a chord, or string, five dieses above its ordinary pitch.