List of 426 Sets of Synonyms - How they Differ - Total of 2307 Words - 399

SYNONYMS: tool, instrument, implement, utensil, appliance.
These nouns refer to devices used in the performance of work.

Tool applies broadly to a device that facilitates work; specifically it denotes a small manually operated device, such as a file, of the kind employed by carpenters and plumbers: a box full of tools for repair jobs.
Instrument refers especially to one of the relatively small precision tools, such as a stethoscope or supersonic drill, used by trained professionals such as doctors and dentists: had to sterilize all the instruments
Implement is the preferred term for tools used in agriculture and certain building trades: rakes, hoes, and other implements.
Utensil often refers to an implement, such as a pot or spoon, used in doing household work: cooking utensils laid out on the table.
Appliance most frequently denotes a power-driven device, such as a toaster or refrigerator, that performs a specific function: a store selling modern appliances.