Switch off auto-fill for contacts with similar names

Switch off auto-fill for contacts with similar names

Hi,
I have four different people in my contacts with the name "Scott" and they are arranged in my contact's list by alphabetical order. However, I only generally email the third "Scott" out of all of them.

When I type "Scott" into the email "To" box it always auto-fills with one of the "Scotts" I rarely communicate with.

How can I switch auto-fill off for the other contacts and only have it active for the main "Scott" I deal with?

Kind regards,
M.