answer for something—be accountable or responsible for smth.:
- He has to answer for his indifference to Aboriginal people.
answer to something—
1. act in response to smth.:
- The birds after answering to the call, darted off again.
2. be suitable or satisfactory for smth.:
- We’ve been able to find the solution that answers to our needs.
3. match or correspond to smth.:
- He doesn’t answer to the description of the missing man.