iPhone: Tired of overtyping names when IOS doesn't capitalise "peter" as "Peter"?

Takes names like Peter, Mark, Jack and John. They are also nouns so IOS won't expect to capitalise them even if they are names in the Contacts.

Simple solution is to create keyboard shortcuts for all of them.

Settings > General > Keyboard > Shortcuts

Add a shortcut for John:

Now when you type the word "john" it will capitalise it for you to "John". Here are a few starting suggestions...