洶〔汹〕 hung¹ {xiōng}

1. torrential rush
2. tumultuous

洶洶〔汹汹〕 hung¹ hung¹ {xiōng xiōng}

viciously

洶湧〔汹涌〕 hung¹ jung² {xiōng yǒng}

1. to surge up violently (of ocean, river, lake etc)
2. turbulent

洶涌澎湃〔汹---〕 hung¹ jung² paang⁴ baai³ {xiōng yǒng péng pài}

surging

洶湧澎湃〔汹涌--〕 hung¹ jung² paang⁴ baai³ {xiōng yǒng péng pài}

surging