대답하다(dae-dap-ha-da, daedaphada)
To respond or reply to a question or statement, usually in spoken form.
When to use
Everyday conversation, Casual reply, Spoken Korean
The nuance
Used mainly in everyday conversation and spoken language, giving a natural and friendly tone. Used when directly replying verbally to questions.
답하다(dap-ha-da, daphada)
To answer or respond formally or officially to a question or request.
When to use
Official documents, Formal situations, Written Korean
The nuance
Used mainly in written language or formal situations, often appearing in documents or official contexts. Suitable for answering questions with formality.