友情 (ゆうじょう, yuujou) Japanese meaning: friendship | KotomoraThey are bound by a deep friendship.
Friendship is a treasure in life.
Usage patterns
〈人〉と友情を結ぶto form a friendship with someone
The two formed a friendship while competing as rivals.
友情を深めるto deepen a friendship
Their friendship deepened even further through the trip.
友情が芽生えるfor a friendship to spring up/develop
A friendship sprang up from sharing the same hobby.
友情を育むto nurture a friendship
We have nurtured our friendship over a long time.