Denshi Jisho — Online Japanese dictionary

働く はたらく 1: to work; to labor; to labour;
2: to function; to operate; to be effective; to work (i.e. ... works); to come into play;
3: to commit (e.g. a crime); to perpetrate; to do; to act; to practise; to practice;
4: (Linguistic term) to be conjugated
Common word, Godan verb with ku ending, Intransitive verb 
働く気 はたらくき inclination to work
Noun 

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