Auntring

noun
A community of women and children without an adult male presence.
Source
Solitude

Hearthmate

noun
One’s fellow resident in a shared household.
Source
Coming of Age in Karhide

Kleggich

noun
Menial work done for the communal good.
Source
The Dispossessed

Galaktika

noun
The shared language of the League of All Worlds.
Origin
Corruption of ‘galactic’.
Source
City of Illusions

Farfetch

verb
The intuitive perception of a moral entirety.
Source
The Left Hand of Darkness

Hilfer

noun informal
An ethnologist of high intelligence life forms.
Source
Rocannon’s World

Hilf

noun
Acronym of “high intelligence life form”.
Source
Planet of Exile

Farborn

noun archaic
A person not native to the planet they are inhabiting.
Source
Planet of Exile

Ansible

noun
A device that allows instantaneous communication over any distance.
Origin
Contraction of ‘answerable’.
Source
Rocannon’s World

Batcar

noun
A battery-powered vehicle.
Source
The Lathe of Heaven

Spla

adjective informal
A state of intense anger or agitation.
Origin
Possibly a truncation of dysplasia (bad formation) in reference to the idiom “bent out of shape”.
Source
The Word for World is Forest