Friendshipness 

created in Wingspan Arts, friendshipness is a word that means 'being together as one' or 'many people attributed into a whole'

"Those guys are really good friends, they always work together."
"Yeah, they have amazing friendshipness."

Friendshipness by Beginners_luck August 21, 2017

Friendshipversary 

The celebration of being friends for a certain amount of time.

We've been friends for 6 months. Let's celebrate our friendshipversary!

Friendshipversary by babygurlllll2000 November 5, 2009