You’ll get a variety of Lobed Base or Bifurcated Stemmed types from different regions. It’s quite important to know from what region it was found.
Identifying the Material (as Kentuckian targeted) will get you closer to the correct region.
Also, check for grinding in the Basal area. I can’t tell from the pictures, but worn-down serrations is a tell. Is there any beveling?
It looks to be elliptical and thick in the center. That’s a key factor. A good photo from every angle (and both sides) will help a lot.