Denshi Jisho — Online Japanese dictionary

暫く しばらく 1:
2: (Usually written using kana alone) little while; short while; moment; instant;
3: a while; quite a time; (Interjection) it's been a long time
Common word, Adverb, No-adjective 
暫くして しばらくして after a short time; presently
Expression 
暫く振り しばらくぶり long interval of time
Noun, Adverb, Usually written using kana alone 
暫くすると しばらくすると a short time later
Expression 
暫くの間 しばらくのあいだ for a short while; for a while; for some time; for the time being
Expression, Adverb 

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