A fish-hook is a sharp device used for catching fish. There are many different words that can be used interchangeably with the word "fish-hook." These synonyms include angling hook, fishing hook, bait holder, and tackle. Other words that can be used include fish lure, fish bait hook, and fish trap. Some people might also use the term "fishing tackle," especially if they are using multiple hook devices or other tools to catch fish. Regardless of the term used, it's clear that fish-hooks are an essential tool for anglers and fishers of all kinds.