Here are some options for a very small dot or hole in 8 letters:
- SPECK (most common): This refers to a tiny mark or spot, often used for very small dots.
- PINHOLE (specific): This describes a tiny hole made by a pin or something similar.
- PUNCTURE (specific): This refers to a small hole made by something sharp piercing a surface.
- MICRODOT (technical): This is a very small dot used in specialized applications like security markings.