Correct spellings for SFD
- FD The FD responded promptly to the emergency call.
- RFD
- sad I felt sad when my favorite character died in the movie.
- sd
- SF I'm planning a trip to San Francisco (SF) next month.
- Sid "I'm going to meet up with my friend Sid later to grab a bite to eat."
- sod I hate the feeling of walking on damp sod.
- STD It is important to use protection during sexual activity to reduce the risk of getting an STD.
