Word

真の友

しんのとも
true friend
Word

ヤリ友

やり友、遣り友
ヤリとも、やりとも
fuck buddy; someone with whom one is not romantically involved but frequently has sexual relations with anyway
Word

僚友

りょうゆう
colleague; workmate; comrade; coworker
Word

益友

えきゆう
good friend; useful friend
Word

益者三友

exp
えきしゃさんゆう
There are three types of friends worth having--honest, sincere, and well-informed ones. (Confucius)
Word

畏友

いゆう
one's esteemed friend
Word

幼友達

おさなともだち
childhood friend
Word

メル友

メール友
メルとも、メールとも
email friend; email penpal
Word

ベル友

ベルとも
person with whom one communicates by pager
Word

良友

りょうゆう
good friend