I tried to include several versions of the misspellings
How about Logon (Log on) instead of Login (Log in)?
I never really knew which was what was why.
How about Logon (Log on) instead of Login (Log in)?
I never really knew which was what was why.
Basically, only "log in" makes sense as a verb (because could you say you "logined"?). Although as a noun, it's okay.