ar: Arabic · bg: Bulgarian · cs: Czech · da:Danish · de: German · el: Greek · en: English · es: Spanish · et : Estonian · fa: Persian · fi: Suomi · fr: French · he: Hebrew · hi: Hindi · hr: Croatian · hu: Hungarian · id: Indonesian · is: Icelandic · it: Italian · ja: Japanese · ko: Korean · lt: Lithuanian · lv: Latvian · nl: Dutch · no: Norwegian · pl: Polish · pt: Portuguese · ro: Romanian · ru: Russian · sk: Slovak · sl: Slovenian · sr: Serbian · sv: Swedish · th: Thai · tr: Turkish · vi: Vietnamese · zh: Chinese

... HYDRA ... (704 elements)

AZOTHYDRATE · AZOTHYDRATES · BATHYDRACONIDAE · DREIPUNKTHYDRAULIK · HYDRA · HYDRAGAS · HYDRAGOGUE · HYDRAGYROSIS · SCHACHTHYDRANT · ZOUTHYDRAAT

... YDRAZ ... (64 elements)

ANHYDRAZA · HYDRAZON · NYDRAZID · VYDRAZDENI · VYDRAZDIT · VYDRAZIT · WYDRAZAC · WYDRAZENIE · WYDRAZONY · WYDRAZYC

... AHYDRAZ ... (1 element)

METHYLDOPAHYDRAZINE

... EHYDRAZ ... (1 element)

CARBONSAUREHYDRAZID

... HYDRAZI ... (41 elements)

CARBONSAUREHYDRAZID · DIHYDRAZINOPHTHALAZIN · DINITROPHENYLHYDRAZIN · DINITROPHENYLHYDRAZINE · HYDRAZIDE

... HYDRAZO ... (9 elements)

HYDRAZO · HYDRAZOIC · HYDRAZOITE · HYDRAZON · HYDRAZONE

... HYDRAZY ... (4 elements)

ANHYDRAZY · DIMETYLOHYDRAZYNA · HYDRAZYD · HYDRAZYNA

... IHYDRAZ ... (1 element)

DIHYDRAZINOPHTHALAZIN

... LHYDRAZ ... (23 elements)

DIMETHYLHYDRAZINE · DIMETHYLHYDRAZINES · DINITROPHENYLHYDRAZIN · DINITROPHENYLHYDRAZINE · METHYLHYDRAZINE

... NHYDRAZ ... (2 elements)

ANHYDRAZA · ANHYDRAZY

... OHYDRAZ ... (2 elements)

DIMETYLOHYDRAZYNA · TETRAFLUOROHYDRAZINE