I've found that the hover for a synonym of a tag, not only doesn't tell you that it's a synonym directly (though seeing no quantity for it clues you in), but it also has a
The original tag doesn't have the
I now know that that will tell me if it's synonymed (for when I'm on a place that doesn't have the quantities next to the tags), but it seems backwards in meaning.
A synonymed tag doesn't have synonyms, only the original tag has synonyms.
My suggestion would be to put the usual (s) symbol somewhere in the hover, and switch which hover has the
synonyms link. Another alternative would be to rename the link to something else, maybe
As an example (of existing), here is the
question tag hover, which is a synonym:
And here is the
questions tag, which is the original:
And yes, I recognize this is a small thing.