The NeoQuenya and NeoSindarin Wiktionary
rúthui
angry
Sindarin rûth 'anger' (PE17:188) and adjective making suffix -ui (PE17:87,144,173)
fanui 'cloudy' (PE17:26,36,173 RC/268)
Fiona Jallings, a.k.a. 'dreamingfifi' Merin Essi ar Quenteli! - Wordlists - Reconstructed Sindarin