Denshi Jisho — Online Japanese dictionary

悪 あく evil; wickedness
Common word, Noun 
空く あく 1: to open (e.g. doors);
2: to open (e.g. business, etc.);
3: to be empty;
4: to be vacant; to be available; to be free;
5: to be open (e.g. neckline, etc.);
6: to have been opened (of one's eyes, mouth, etc.);
7: to come to an end;
8: () to open (one's eyes, mouth, etc.);
9: () to have a hole; to form a gap; to have an interval (between events)
Common word, Godan verb with ku ending, Intransitive verb 
開く あく 1: to open (e.g. doors);
2: to open (e.g. business, etc.);
3: to be empty;
4: to be vacant; to be available; to be free;
5: to be open (e.g. neckline, etc.);
6: to have been opened (of one's eyes, mouth, etc.);
7: to come to an end;
8: () to open (one's eyes, mouth, etc.);
9: () to have a hole; to form a gap; to have an interval (between events)
Common word, Godan verb with ku ending, Intransitive verb 
倦く あく 1: (Archaism) to tire of; to lose interest in;
2: to be satisfied; to enjoy;
3: (after the -masu stem of a verb) to do adequately
Godan verb with ku ending, Intransitive verb 
厭く あく 1: (Archaism) to tire of; to lose interest in;
2: to be satisfied; to enjoy;
3: (after the -masu stem of a verb) to do adequately
Godan verb with ku ending, Intransitive verb 
明く あく 1: to open (e.g. doors);
2: to open (e.g. business, etc.);
3: to be empty;
4: to be vacant; to be available; to be free;
5: to be open (e.g. neckline, etc.);
6: to have been opened (of one's eyes, mouth, etc.);
7: to come to an end;
8: () to open (one's eyes, mouth, etc.);
9: () to have a hole; to form a gap; to have an interval (between events)
Godan verb with ku ending, Intransitive verb 
灰汁 あく 1: lye;
2: harsh taste;
3: scum (formed when cooking some foods);
4: (Usually written using kana alone) (excessive) strength of will
Gikun (meaning) reading, Noun 
飽く あく 1: (Archaism) to tire of; to lose interest in;
2: to be satisfied; to enjoy;
3: (after the -masu stem of a verb) to do adequately
Godan verb with ku ending, Intransitive verb 
アクア aqua
Noun 
アクセ accessory
Noun, Abbreviation 
アクタ actor
Noun 
アクト act
Noun 
アクネ acne
Noun 
アクメ orgasm (fre: acme)
Noun 
芥 あくた rubbish; trash; garbage; refuse
Noun, Usually written using kana alone 
踵 あくと heel (of foot, shoe, stocking, etc.)
Noun, Usually written using kana alone 
欠 あくび yawn; yawning (and stretching)
Noun, Usually written using kana alone 
悪意 あくい 1: ill will; spite; evil intention;
2: bad meaning;
3: (Noun) (criminal) malice;
4: mala fides (criminal intent to deceive)
Common word, Noun, No-adjective 
悪事 あくじ evil deed; crime; wickedness
Common word, Noun 
欠伸 あくび yawn; yawning (and stretching)
Common word, Noun, Usually written using kana alone 
悪魔 あくま devil; demon; fiend; Satan; evil spirit
Common word, Noun 
悪夢 あくむ nightmare; bad dream
Common word, Noun 
開花 かいか 1: flowers budding; blooming; flowering;
2: showing results; becoming popular; blooming
Common word, Noun, Suru verb 
開始 かいし start; commencement; beginning; initiation
Common word, Noun, Suru verb 
開示 かいじ disclosure (legal)
Common word, Noun, Suru verb 
開き ひらき 1: opening; gap;
2: (Suffix) dried and opened fish
Common word, Noun 

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