Bug overview description.
I can't alias public_hair to pubic_hair.
Which is strange, because there is no public_hair --> x alias yet.

What part(s) of the site page(s) are affected?
https://e621.net/tag_alias/new

What is the expected behavior?
I should be able to suggest a new alias:
public_hair --> pubic_hair

What actual behavior is given instead?
Error: pubic_hair is already aliased to something
(pubic, not public)

Time of incident (if applicable).
just now

Can you reproduce the bug every time?
yes

What steps did you take to replicate this bug?
1) Go to https://e621.net/tag_alias/new
2) Suggest:
public_hair --> pubic_hair

Errors or other messages returned (if any).
see above