(formal) friend

play, amuse oneself, enjoy oneself / spend one's time idle, do nothing / for an item not to be in use, be spare or idle

matter of taste

a hobby (activity done for enjoyment in spare time) / one's taste (set of preferences)

same, identical / common, similar

anyhow, anyway

(informal) The iteration mark 々, which indicates that the previous kanji ought to be repeated.

(colloquial) same, identical / (colloquial) common, similar

(colloquial) anyhow, anyway

imperfective and stem (or continuative) forms of 同じる (dōjiru) [ichidan]: agreeing / imperfective and stem (or continuative) forms of 同ずる (dōzuru) [irregular]: agreeing