The tag alias #50860 anal_peneration -> anal_penetration has been approved.

Reason: Typo tag.

EDIT: The tag alias anal_peneration -> anal_penetration (forum #305007) has been approved by @bitWolfy.

It's only been tagged (and removed) twice in the history of the site, so maybe not.

Leaving some tags open for error allows us to find instances where taggers make multiple errors in one edit.

Seems to have been added quite a bit, actually.
https://e621.net/post_versions?search[tags_added]=anal_peneration

The tag alias anal_peneration -> anal_penetration (forum #305007) has been approved by @bitWolfy.