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

... PRESEAR ... (1 element)

en (1) : SLEEPRESEARCH

... PRESEA ... (15 elements)

PRESEA · PRESEANCE · PRESEANCES · PRESEAS · PRESEASON · PRESEAU · SLEEPRESEARCH

... RESEAR ... (43 elements)

AIRESEARCH · BASISRESEARCH · CONTRACTRESEARCH · GARRETTAIRESEARCH · HORTRESEARCH · RESEARCH · RESEARCHABLE · RESEARCHWERK · RESEARRANGOR · SLEEPRESEARCH