also: いずれも
any; all; every; both; either; none (with negative verb)
Used to refer to all items in a group, or to any one of them. With a negative verb, it means 'none of them'. The reading いずれも is slightly more formal.
この店のケーキはどれも美味しい。
All of the cakes in this shop are delicious.
どれも私のものではありません。
None of these are mine.
いずれも
Both are important issues.
Kanji spelling is uncommon and may be confused with other readings; usually written in kana.
Compound of the interrogative どれ/いずれ ('which') and the inclusive particle も ('also, even').