The user-friendly command line shell.
There are some shells  that can do that based off your history.
Fish-like autosuggestions for zsh
I’d look at zsh autosuggestions as a possible starting point. It’s based on your history and suggests previous commands based on what you type, but there’s no reason it couldn’t provide a suggestion “immediately”. https://github.com/zsh-users/zsh-autosuggestions
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What shortcut switches between previously written words?
1 project | reddit.com/r/learnprogramming | 30 Mar 2022
1 project | reddit.com/r/suckless | 22 Jan 2022
ZSH autosuggestion plugin doesn't work with VSC
1 project | reddit.com/r/vscode | 29 Dec 2021
"fc -l 1" does not show all history ZSH
1 project | reddit.com/r/linux4noobs | 28 Dec 2021
Autosuggestions with oh-my-zsh
1 project | dev.to | 19 Dec 2021