7 letters

uaraycu Chengdu Enkimdu tamandu ∙ umbundu Plataeu Camaieu ∙ pardieu Tardieu mordieu banlieu purlieu ∙ Jussieu parbleu corbleu morbleu alleleu Chisleu Ostpreu Faamafu Kantafu Henanfu Honanfu Guecufu Montagu jikungu umlungu ∙ wambugu catechu ∙ Hsinchu Ruapehu Cthulhu Thimphu kushshu Bugishu bhikshu Hokushu halibiu quamdiu Giurgiu Peleliu sucuriu Aracaju Gwangju Kwangju Chongju Chungju Sinuiju rokkaku ∙ bunraku ∙ Jouraku skatiku Iyatiku Pakokku kwaznku Chugoku Daikoku Shikoku daimoku ∙ shutoku kwazoku shizoku Renzoku whapuku seppuku ∙ Jardalu Danablu dustblu Tamiflu antiflu ∙ schillu Bandulu chumulu amazulu KwaZulu alibamu pounamu mwalimu ∙ santimu ∙ Machanu submenu ∙ contenu soutenu parvenu ∙ Xiongnu tauhinu ∙ auksinu ashamnu inconnu ∙ Kromonu theyaou marabou ∙ caribou ∙ Abambou itoubou turacou ∙ Remedou coendou goundou wamefou ∙ Cacahou warehou ∙ Guizhou Ganzhou Lanzhou Wenzhou Zhuzhou Liuzhou sapajou ∙ Parakou Yingkou Marylou tinamou ∙ Cotonou anounou wacapou tamarou Manitou ∙ Shantou helewou canezou koitapu Huangpu hookupu Appliqu embusqu Tsugaru hurkaru planaru jacuaru Caruaru Bebeeru ∙ Bocheru candiru Samburu biacuru baycuru Satguru Chahuru crajuru Maizuru binzuru tatuasu Iyeyasu Jiangsu Kiangsu kodansu babassu ∙ tagassu tayassu shiatsu ∙ Nakatsu Komatsu Karatsu Kiretsu Josetsu jujitsu ∙ jujutsu ∙ decousu ringatu raupatu ∙ Vanuatu Chengtu tsungtu hutuktu gerontu tuamotu Paumotu Joensuu imprevu Saranyu chanoyu ∙ Tarrazu Shimizu shiatzu ∙

8 letters

berimbau ∙ flambeau ∙ faisceau aboideau ∙ Rincleau Sebileau traineau Gatineau Fourneau Tourneau Gendreau braireau bourreau boisseau rousseau ∙ aboiteau ∙ Chouteau Djanggau Breisgau Dirschau mairehau ∙ cabeliau Kabeljau thamakau Petrikau esquimau Blumenau kustenau Chisinau Jungfrau hausfrau ∙ Feldgrau ∙ Krakatau warratau Temirtau williwau ∙ Uijongbu Chichibu guatambu amatembu masanobu Harunobu boiguacu uturuncu aurrescu curucucu surucucu ∙ conchucu pirarucu ∙ tucutucu ∙ Oxyglycu pyengadu ∙ Katmandu Paysandu kimbundu boutefeu priedieu ∙ matthieu contineu petegreu dearthfu Yunnanfu distingu Wagadugu Macavahu konomihu tohubohu taungthu Goibhniu ushabtiu araquaju Cheongju sucuruju ∙ nunchaku ∙ ichiraku gokuraku shivzoku minshuku ∙ kukuruku tukutuku Hapawalu Tirebolu Gelibolu kinabulu penghulu Honolulu vermoulu ∙ tsutsumu ∙ takitumu Bratianu Paramanu bienvenu precornu michabou cachibou barbacou Cariacou ∙ carjacou ∙ tchincou gorondou alguifou Alquifou ballahou Hangzhou Yangzhou Hengzhou Tongzhou Quanzhou Chaozhou Jiaozhou pioupiou gwerziou carcajou ∙ kinkajou ∙ kabeljou ∙ coumarou ∙ froufrou ∙ berairou combasou cabassou kabassou thankyou ∙ lapulapu Illampú karstaqu kajugaru Hatuharu Benimaru jotisaru grandcru teruteru Feedthru pirrauru guaycuru Manaduru Tomoduru murumuru purupuru Takayasu tiramisu ∙ Consensu orabassu saibatsu zaibatsu ∙ Oshiatsu akamatsu keiretsu ∙ riobitsu ninjitsu ∙ jiujitsu ∙ daibutsu nembutsu Taijutsu Ninjutsu ∙ jiujutsu ∙ neengatu kinipetu hutukhtu Lamashtu transitu Timbuktu khutuktu mombottu monbuttu parukutu Siratuyu Kisarazu

9 letters

Batardeau chalumeau ∙ Gélineau Hallopeau bordereau ∙ gaspereau ∙ Montereau sautereau Maquereau bigarreau ∙ Cointreau ∙ subbureau ∙ damoiseau trousseau ∙ cabilliau Matanikau Gneisenau Trautenau Uijeongbu Cuismancu guarapucu Didjeridu ∙ Kathmandu depardieu Richelieu Calcasieu Immertreu kekerengu ∙ mundunugu Mogadishu Shingishu ishshakku solidillu impundulu ∙ Bangweulu Kalamainu Kastamonu praecornu antecornu postcornu Flashabou tibourbou gaspergou kumarahou ∙ Chardzhou Changzhou Guangzhou Zhengzhou bourdalou monogamou sulphurou doubleyou okupukupu communiqu mandacaru Dzivaguru ahuruhuru ∙ Amaterasu qinghaosu ∙ imbirussu Gamakatsu Takamatsu Wakamatsu Hamamatsu Tokubetsu chashitsu Izumiotsu Denizkusu Marangatu nheengatu contractu procinctu impromptu ∙ mangbattu aburabozu

10 letters

Clemenceau fricandeau ∙ jambonneau pigeonneau macquereau Princeteau serpenteau Konigsblau Heldenklau malentendu ∙ Heimatschu Kitakyushu Fukurokuju kotukutuku ∙ Köprülü Moldoveanu Terengganu dorsicornu topinambou miniconjou Abengourou cabalassou couscousou ∙ lepromatou Tombouctou wirrasthru ajatasatru tumatakuru ∙ tumatukuru Paraguassu Ohashiatsu Paskahousu intransitu vatteluttu kohutuhutu ∙

11 letters

menangkabau Minangkabau Caniapiscau extrabureau politbureau pockmanteau portmanteau ∙ Wesensschau Drahtverhau Kaniapiskau Jungbunzlau tororokombu Dienbienphu titipounamu ∙ ventricornu Ouagadougou Zhangjiakou jararacussu Kapilavastu chinchasuyu

12 letters

eisteddfodau ∙ Oberammergau archboutefeu Papanicolaou vituperatiou

13 letters

Fontainebleau Onegaishimasu Aizuwakamatsu

Words with a ∙ are valid Scrabble words (SOWPODS word list)