The four-letter word that can be formed using the letters "slicer" is "RICE".
This word is a common food grain and is a staple in many cultures around the world. It is also used as a slang term for money.
Here are some other words that can be formed using the letters "slicer":
- "LICE" - small insects that live on the bodies of humans and animals.
- "SLICE" - a thin piece of something, especially food.
- "REIS" - a former currency of Portugal.
- "RISE" - to move upwards.
These words are all valid, but "RICE" is the only four-letter word that can be formed using the letters "slicer".