algēscō, _get cold_ algēscere alsī ----
ardēscō, _flame out_ ardēscere arsī (ex-arsī) ----
lūcēscō, _grow light_ lūcēscere -lūxī ----
Sometimes in the present system #lūcīscō#, #lūcīscere#, &c.
frīgēscō, _grow cold_ frīgēscere -frīxī ----
vīvēscō, _get alive_ vīvēscere (re-vīxī) ----
In composition, also #re-vīvīscō#, #re-vīvīscere#.