Etch is a 4 letter word : )
A 4 letter word starting with A that's a color is aqua.
icon, itch, into, isle
Seta is a 4-letter word for hair or bristle starting with S.
Mire is a 4-letter word for bog that starts with "Mi"
A four letter word starting with J is jump or joke.
There are none. Not even a 3 letter word