Denshi Jisho — Online Japanese dictionary

尽くす つくす 1: to exhaust; to run out;
2: to devote; to serve (a person); to befriend;
3: (Auxiliary verb) to do to exhaustion
Common word, Godan verb with su ending 
悉 ことごと everything
Noun 
悉皆 しっかい all
Adverb 
悉曇 しったん Siddham character (used for writing Sanskrit)
Noun, san: 
悉に つぶさに in detail; with great care; completely; again and again
Adverb 
悉く ことごとく altogether; entirely
Common word, Adverb, Usually written using kana alone 
悉無律 しつむりつ all-or-none law; all-or-none-principle
Noun 
悉曇学 しったんがく Siddham studies
Noun 

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