Fusspots are individuals who are extremely particular about small and trivial things. They are always fussing over every little detail, no matter how insignificant it may seem to others. There are different words that can be used interchangeably with 'fusspot' to refer to such people. These include nit-pickers, perfectionists, sticklers, pedants, and finicky individuals. Nit-pickers tend to focus on the smallest error or the minutest detail, while perfectionists strive for nothing short of perfection in everything they do. Sticklers are strict about adhering to rules or conventions, while pedants are obsessed with correctness and accuracy. Finicky individuals are particularly choosy or critical about things, often making a fuss about them.