I wanted to know why British/Americans commentators rarely call the rear circular punch as a "hook". I often hear the terms "roundhouse", or "sweeping" punch, but they very rarely call it a "hook". I know that in much instances, what can appear as a rear hook is in fact an "overhand" punch, but as a French, it's pretty striking how much the term "hook" is far more used than in North America/Great Britain.
Yes! I feel you. Even the so called straight right is mostly circular if you look deep enough and it is never called a hook… In here we call “hook” (in english) only the hooks to the body, it becomes a mess.
There's a line between a proper right hook and a looping right hand, but there's no real consensus on where it is.
Yes, but even when the punch is circular commentators will describe it as a "sweeping", "roundhouse" or "chopping". Good observation (although I disagree with your second proposition). But even when Tyson used his famous right hook to the body-uppercut to the chin, announcers will mostly use the generic "right hand" instead of acknowledging it as a hook.