different between nanobot vs nanorobotics

English

nano- +? -bot

nanobot (plural nanobots)

(nanotechnology, robotics) A very small autonomous robot, typically the size of a biological cell, designed to work alone or in very large numbers to achieve some task.

nano- +? bot

nanobot c (singular definite nanobotten, plural indefinite nanobotter)

nano- +? robotics

nanorobotics (uncountable)

The science and technology of designing and manufacturing nanoscale machines, especially robotic machines.