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

... BOPERC ... (2 elements)

... BOPER ... (3 elements)

SUBOPERATIONS · SUBOPERCULAR · SUBOPERCULUM

... OPERC ... (235 elements)

AETHALOPERCA · AUTOPERCEPTION · CHELIDOPERCA · LEPIDOPERCA · OPERCOLI · OPERCOLO · POPERCZYN · STOPERCE · STOPERCENTNY · VOORLOPERCEL

... BOPERCU ... (2 elements)

SUBOPERCULAR · SUBOPERCULUM

... UBOPERC ... (2 elements)

SUBOPERCULAR · SUBOPERCULUM