Gloaming
The gloaming is twilight — chiefly the fading light of early evening, though it can also mean daybreak.
Full definition of Gloaming →:: COMPARE ::
The short answer
Same referent, opposite register. Crepuscule is a Latinate technical borrowing that pairs with crepuscular rays and crepuscular animals; gloaming is Germanic, poetic and Scots-inflected, and has no scientific use at all.
Side by side
| Aspect | Gloaming | Crepuscule |
|---|---|---|
| Origin | Germanic | Latinate |
| Register | Poetic | Technical |
| Scientific use | None | Yes |
| Related terms | — | Crepuscular rays |
What each one means
The gloaming is twilight — chiefly the fading light of early evening, though it can also mean daybreak.
Full definition of Gloaming →The contrast above sets out how Crepuscule differs from Gloaming on the points that actually matter.