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

Friendshipiversary 

-noun

The yearly recurrence of the date a friendship begins

March 11th is our Friendshipiversary! Happy 8 years love! :)

Friendshipiversary by Mango12390 March 9, 2010

friendsiversary 

A yearly anniversary of friendship

Hay we've been friends a year today, let's get a drink to celebrate our friendsiversary

friendsiversary by The p more November 18, 2013