How to sort contact list alphabetically only?

Hello and welcome to Apple Support Communities, JM222FL,

If we understand your post correctly, you'd like to sort your contacts alphabetically. We’d like to help.

You can sort your contacts with these options:

Change how you sort and display contacts

You can choose how to sort your contacts, like alphabetically by first or last name. Go to Settings > Contacts and choose from the following:

Sort Order: Sort your contacts alphabetically by first or last name.

Display Order: Show contacts' first names before or after last names.

Short Name: Choose how your contact's name appears in apps like Mail, Messages, Phone, and more.

See the full article here:

Manage and delete contacts on your iPhone or iPad - Apple Support

Let us know if that resolves this issue for you.

Thanks for using the Apple Support Communities.