The settlement of Synycheno was renamed into Synychyne (Синичине) on June 18, 2025 by the Ukrainian parliament's resolution 4483-IX to comply with Ukrainian language standards.
See https://zakon.rada.gov.ua/laws/show/4483-20#Text or https://uk.wikipedia.org/wiki/%D0%A1%D0%B8%D0%BD%D0%B8%D1%87%D0%B8%D0%BD%D0%B5 for reference.