Denshi Jisho — Online Japanese dictionary

於乎 ああ 1: (Usually written using kana alone) Ah!; Oh!; Alas!;
2: Yes; Indeed; That is correct;
3: Hey!; Yo!;
4: Uh huh; Yeah yeah; Right; Gotcha
Interjection 
於戯 ああ 1: (Usually written using kana alone) Ah!; Oh!; Alas!;
2: Yes; Indeed; That is correct;
3: Hey!; Yo!;
4: Uh huh; Yeah yeah; Right; Gotcha
Interjection 
於て おいて at; in; on
Conjunction, Usually written using kana alone 
於いて おいて at; in; on
Conjunction, Usually written using kana alone 
於ける おける in; at; for
Expression, Usually written using kana alone 
於かれましては おかれましては in respect of; in regards to; as for
Expression, Usually written using kana alone, Honorific or respectful language, Polite language 

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