Bench plane or block plane
In constructionand tools, a plane is a flat metal tool with an adjustable blade. It is used to smooth wood.
Yes, the oscillating tool blade is the most effective tool for grout removal.
An adjustable wrench is an adjustable hand tool used for tightening and loosening nuts and bolts.
An adjustable wrench is an adjustable hand tool used for tightening and loosening nuts and bolts.
An adjustable spanner is an adjustable hand tool used for tightening and loosening nuts and bolts.
adz
Only one of the Mandoline blades is adjustable. The straight blade. There is a little switch looking thing on the underside of the blade.
Arm & Hammer
yes it originally was a carpenters tool for doing fine work
Level
There are many multi-tools on the market that do have a small saw blade on them.
The adze is a wood shaping tool. The axe is a tool to cut wood. Carpenters Awl