Symmaic

Symmaic is “same” gender attraction for non-binary people, using the prefix “sym” as in “symmetry”, meaning “same”.

It is similar to gai. The opposite is contraic.

Flag
The flag was coined by Pride-Flags on Deviantart. It uses purple to represent the median between masculinity and femininity, and yellow and white to represent non-binary attraction.

History
Symmaic was coined on May 22, 2018 by Tumblr user Identity-Workshop.

Resources
https://www.deviantart.com/pride-flags/art/Symmaic-2-750152928