共きょう同どう宣せん言げんMeaningsNoun1. joint declarationKanji used共together同same宣formally declare言sayPitch accentきょうどうせんげんComposed of共きょう同どうcooperation; collaboration; association; partnership; (acting in) unison; community; communal use; common possession; sharingNoun宣せん言げんdeclaration; proclamation; announcementNoun