hatchday - a draconic term for one’s birthday .
headmate - a member of a plural system who generally shares mental/headspace with other system members .
headspace - a space where members of a plural system reside, although some singlets have headspaces as well . Some consider their headspaces mental space or on another plane of existence.
hearthome - a location, or type of location, real or otherwise, that one has a strong emotional connection to, considering it 'home' despite not having been raised or spending much/any time there .
hearttype - the animal, creature, or being that someone who is other-hearted, animal-hearted, or fiction-hearted identifies with or feels a deep connection to .
howl - an organized gathering of therians in a physical location, as a way of socializing with fellow members of the community .
human+ - an alterhuman identity where one identifies as human, but also in addition to or as something greater than their human identity .
humanmore - a general umbrella term for when one considers themselves both human and alterhuman in some way, and regards both their humanity and alterhumanity with importance . May also be referred to as "overhuman".