As far as their respective functions, they're absolutely synonymous.
There are now Microsoft Account linked and local Windows 10 User Accounts, and there were only the equivalent of local under Windows 7. But, still, that doesn't change the way the Sign-in screen works, which is essentially the same way that the Log-in screen did under Windows 7 when there are multiple accounts.
Brian - Windows 10 Pro, 64-Bit, Version 1903, Build 18362
Many of the insights of the saint stem from his experience as a sinner.
~ Eric Hoffer