荼 荼 tu2
thistle; common sowthistle (Sonchus oleraceus); bitter (taste); cruel; flowering grass in profusion

strokes 10
radical
艸
艸
strokes after radical 7
达罗毗荼 達羅毗荼 da2 luo2 pi2 tu2
Dravidian (general term for South Indian people and languages)

曼荼罗 曼荼羅 man4 tu2 luo2
mandala (loan, Buddhism)

秋荼密网 秋荼密網 qiu1 tu2 mi4 wang3
flowering autumn grass, fine net (idiom); fig. abundant and exacting punishments prescribed by law

如火如荼 如火如荼 ru2 huo3 ru2 tu2
like wildfire (idiom); unstoppable

食荼卧棘 食荼臥棘 shi2 tu2 wo4 ji2
to eat bitter fruit and lie on thorns (idiom); to share the hard life of the common people

荼毒 荼毒 tu2 du2
torment; cruelty; great suffering

荼毒生灵 荼毒生靈 tu2 du2 sheng1 ling2
to torment the people (idiom)