こそあれ
(Koso are)
although having / although X is the case.
Connection rules
- +Noun / plain form + こそあれ.
- +Literary / archaic concessive — 'although X, Y'.
- +Very formal — rare in casual speech.
Examples
1.
違いこそあれ、目的は同じだ。

Chigai koso are, mokuteki wa onaji da.
Although there are differences, the goal is the same.
「although having / although X is the case」
2.
困難こそあれ、諦めない。

Konnan koso are, akirame nai.
Although there are difficulties, I won't give up.
「although having / although X is the case」
Practice
Although there is hardship, this job is rewarding.
___、この仕事はやりがいがある。
Romaji also accepted