Armpit and Fissure

Armpit noun - The hollow under the arm where it is joined to the shoulder.

Fissure and armpit are semantically related. In some cases you can use "Fissure" instead a noun "Armpit".

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

Armpit and fissure are semantically related. Sometimes you can use "Armpit" instead a noun "Fissure".