It’s not a misspelling. They mean angles, as in geometry. It was chosen in the 1970s by Anton Long. Cultists frequently use geometry in their symbology. https:

It’s not a misspelling. They mean angles, as in geometry. It was chosen in the 1970s by Anton Long. Cultists frequently use geometry in their symbology. https://ia600301.us.archive.org/31/items/TheSinisterOrderOfNineAngles/The%20Sinister%20Order%20of%20Nine%20Angles.pdf https://ia600301.us.archive.org/31/items/TheSinisterOrderOfN...