Cleft and Eyelet

Cleft noun - An irregular usually narrow break in a surface created by pressure.

Eyelet and cleft are semantically related In some cases you can use "Eyelet" instead a noun "Cleft".

Eyelet noun - A small hole (usually round and finished around the edges) in cloth or leather for the passage of a cord or hook or bar.

Cleft and eyelet are semantically related in opening in a solid object topic. Sometimes you can use "Cleft" instead a noun "Eyelet".