Jinmeiyō kanji, used in names
JLPT level: N1
Stroke count: 9
Meaning: how, what, alas, question mark, exclamation mark
Kunyomi: かな や
Onyomi: サイ
Composition: 土 口 戈
Radical: 口
Meaning: mouth, opening
快哉 (カイサイ) joy, exultation
悦哉 (エッサイ) musket (male Japanese sparrowhawk)
哉 (かな) how!, what!, alas!
悲しいかな (かなしいかな) sad to say, how sad, alas
果たせるかな (はたせるかな) as expected
候哉 (そうろうや) I wonder if ...