Denshi Jisho — Online Japanese dictionary

口 く 1:
2: (Buddhist term) mouth; speech; () counter for people or implements
Noun 
口 くち 1: mouth;
2: opening; hole; gap; orifice;
3: mouth (of a bottle); spout; nozzle; mouthpiece;
4: gate; door; entrance; exit;
5: speaking; speech; talk (i.e. gossip);
6: taste; palate;
7: mouth (to feed);
8: opening (i.e. vacancy); available position;
9: invitation; summons;
10: kind; sort; type;
11: opening (i.e. beginning);
12: () counter for mouthfuls, shares (of money), and swords
Common word, Noun 
口 こう counter for people or implements
Suffix, Counter 
口火 くちび fuse; spark plug; cause (of war); origin (of a quarrel)
Common word, Noun 
口語 こうご 1: spoken language;
2: literary style based on (modern) spoken language
Common word, Noun, No-adjective 
口座 こうざ account (e.g. bank)
Common word, Noun 
口受 くじゅ listening to someone talking
Noun 
口授 くじゅ oral instruction or teaching or method
Noun, Suru verb 
口舌 くぜつ talking recklessly; quarreling; quarrelling; curtain lecture; words; tongue
Noun, No-adjective 
口説 くぜつ lover's tiff
Noun 
口絵 くちえ frontispiece
Noun 
口子 くちこ dried sea-cucumber ovaries
Noun, Food term 
口に くちに eating; speaking of; referring to
Adverb 
口輪 くちわ muzzle
Noun 
口伝 くでん oral tradition; tradition; oral instruction
Noun 
口器 こうき trophi (mouthparts of an insect, etc.)
Noun 
口気 こうき bad breath; intimation
Noun 
口耳 こうじ mouth and ear
Noun 
口碑 こうひ oral tradition; legend; folklore
Noun 
口味 こうみ taste; flavor; flavour; deliciousness
Noun 
口話 こうわ silent mouthing
Noun 
口説き くどき 1: entreaty; imploring; begging;
2: spoken portion of a song; oral recitation
Noun, Suru verb 
口説く くどく 1: to persuade; to coax; to solicit;
2: to seduce; to make advances; to make a play; to make a pass; to put the moves on; to come on to; to hit on; to court; to woo; to romance
Godan verb with ku ending, Transitive verb 
口数 くちかず 1: number of words a person speaks;
2: number of dependents (words, shares, accounts)
Common word, Noun 
口癖 くちぐせ way of saying; favorite phrase; favourite phrase
Common word, Noun 
口々 くちぐち each entrance; every mouth
Common word, Noun 
口先 くちさき 1: lip service; mere words; professions;
2: lips; mouth; snout; proboscis
Common word, Noun 

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