Doings and Whatsit

Doings noun - Manner of acting or controlling yourself.

Whatsit and doings are semantically related in gizmo topic. In some cases you can use "Whatsit" instead a noun "Doings".

Whatsit noun - A small article the actual name of which one either does not know or cannot remember.

Doings and whatsit are semantically related (British) in gubbins topic. Sometimes you can use "Doings" instead a noun "Whatsit".