ОСЛИН
Сеть Лексической Информации Открытого Доступа для Русского языка

Database of Russian Verbal Aspect

Verbal Cluster

Cluster base: сиять

lookup verbосиять(perfective)
base of осиять (perfective)сиять(imperfective)
derivation of сиять (imperfective)воссиять(perfective)
derivation of сиять (imperfective)засиять(perfective)
derivation of сиять (imperfective)просиять(perfective)

5 verbs in cluster (also include non-verbs)

under
construction