Simpingness 

When someone’s heart is full with too much love and power to keep away from the one who gave them that power. Dr. Michael Morbius is the #1 person that people have simpingness for.

“Wow, I can’t believe you’re out and about after all that simpingness that was going on.

Simpingness by Doodoocacarat👹 June 27, 2022

siblingness 

When siblings share physical similarities. Similar to the word "lookalike" but specifically used to describe siblings.

"Very similar face, I can see the siblingness"

siblingness by aceofaces January 21, 2009