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

... BTFUL ... (8 elements)

de (1) : DOUBTFUL

no (1) : DOUBTFUL

... BTFU ... (8 elements)

DOUBTFUL · DOUBTFULL · DOUBTFULLY · DOUBTFULNESS · DOUBTFULNESSES · MISDOUBTFUL

... TFUL ... (308 elements)

COMPLAINTFUL · EVENTFULNESS · EVENTFULNESSES · FOUNTFUL · PLAINTFUL · RESENTFULLY · RESENTFULNESS · TALENTFULD · TALENTFULLT · VAUNTFUL

... BTFULL ... (2 elements)

DOUBTFULL · DOUBTFULLY

... BTFULN ... (2 elements)

DOUBTFULNESS · DOUBTFULNESSES

... UBTFUL ... (8 elements)

DOUBTFUL · DOUBTFULL · DOUBTFULLY · DOUBTFULNESS · DOUBTFULNESSES