Is there a term for a word that is the same upside-down? [closed]
The examples, SWIMS and 6009, aren't the same upside down, so I assume you mean under a 180 rotation. I've always heard them referred to as rotational ambigrams.
The examples, SWIMS and 6009, aren't the same upside down, so I assume you mean under a 180 rotation. I've always heard them referred to as rotational ambigrams.