mouth

[1]	utter , say , speak , pronounce , announce , enunciate , articulate , voice , sound , express , vocalize , declaim , orate
[2]	talk , speak , utter , verbalize , verbalise

[1]	oral cavity , lips , maw , oral fissure , rima oris , jaws , oral cavity , (Technical) stoma , (Slang) trap , kisser , muzzle , gob , chops , yap , (US) bazoo
[2]	opening , aperture , doorway , door , gateway , gate , access , entrance , inlet , entry , entry-way , way in , entree , passage , passageway , way , orifice , exit , way out , vent , outlet , outfall , (Technical) debouchment/debouchure , debouch/debouche , embouchure
[3]	bragging , boasting , braggadocio , empty/idle talk , bombast , rodomontade , fustian , (Slang) claptrap , hot air , gas
[4]	disrespect , impudence , insolence , sauciness , rudeness , impertinence , pertness , boldness , audacity , presumptuousness , brashness , flippancy , (Colloq) lip , cheek , backchat , sauce , freshness , (US) sass , back talk
[5]	grimace , pout , moue , face
[6]	down in/at the mouth , mouthpiece , dejected , despondent , sad , sorrowful , unhappy , melancholy , blue , crestfallen , dispirited , disheartened , downcast , (Colloq) (down) in the dumps , broken up
[7]	sass , sassing , backtalk , back talk , lip