颓 ⇒
颓废 tuífèi, [頹廢], decadent/dispirited/depressed/dejected
颓 tuí, [穨]/[頹]/[頽], variant of 頹|颓[tuí], to crumble/to collapse/to decline/to decay/decadent/dejecte...
颓丧 tuísàng, [頹喪], dejected/disheartened/listless
颓势 tuíshì, [頹勢], decline (in fortune)
萎 ⇒
萎缩 wěisuō, [萎縮], to wither/to dry up (of a plant)/to atrophy (of muscle, social custom etc)
枯萎 kūwěi, to wilt/to wither/wilted/withered/drained/enervated/exhausted
萎 wěi, to wither/to drop/to decline/spiritless/Taiwan pr. [wēi]
萎靡 wěimǐ, dispirited/depressed
萎靡不振 wěimǐbùzhèn, dispirited and listless (idiom); downcast
萎蔫