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

... AHYD ... (118 elements)

FORMALDAHYDE · METHYLDOPAHYDRAZINE · PARAHYDROMYS · PARAHYDROXYBENZOIQUES · TELAHYDRAULIIKKA · TETRAHYDRAT · TETRAHYDRATE · TETRAHYDRIQUE · TETRAHYDROTIOFEN · TETRAHYDROZOLINE

... RAHY ... (157 elements)

BRAHY · CHARADRAHYLA · DRAHYM · GARRAHY · INFRAHYOID · SUPRAHYOID · SUPRAHYOIDALER · TETRAHYMENA · TETRAHYMENINA · VRAHYNA

... ARAHYD ... (3 elements)

PARAHYDROMYS · PARAHYDROXYBENZOIQUES

... RAHYDR ... (102 elements)

PARAHYDROMYS · PARAHYDROXYBENZOIQUES · TETRAHYDRAT · TETRAHYDRATE · TETRAHYDRIQUE

... TRAHYD ... (99 elements)

TETRAHYDR · TETRAHYDRO · TETRAHYDROBORATES · TETRAHYDROCANNABIVARINE · TETRAHYDROCHLORIDE