What is it called when a word repeated?

reduplication?

If you make the tuna salad I'll make the "salad-salad"

That car is mine but it isn't "mine mine" it's my brother's

I like him but I don't "like-like" him


Reduplication works. This type of reduplication can also be called contrastive focus reduplication or lexical cloning 123.

lexical cloning example from Zits

Reduplication more generally includes combinations like willy nilly and clip clop 4.