What is the analogy of mark to marker as spread a word starting with scr spr str or thr?

Here's why:

* Mark is the action of leaving a visible trace, often with a tool.

* Marker is the tool used to make a mark.

* Scribe is the action of writing, often carefully and precisely.

* Scribbler is the tool used for writing, like a pen or pencil.

Both pairs represent an action and the tool used to perform that action.