Jōyō kanji, Taught in grade 3
JLPT level: N2
513 of 2500 most used kanji in newspapers
Stroke count: 12
Meaning: storey, stair, counter for storeys of a building
Kunyomi: きざはし
Onyomi: カイ
Composition: ⻖ 皆
Radical: 阜
Reading: こざとへん
Meaning: mound, dam (阝 left)
Strokes: 3
階段(かいだん) stairs
階下(かいか) lower floor, downstairs
階級(かいきゅう) class, rank, grade
階層(かいそう) class, level, stratum, hierarchy
地階(ちかい) basement, cellar
五階(ごかい) fifth floor
各階(かくかい) each floor
段階(だんかい) grade, step, stage
音階(おんかい) musical scale
階 (カイ) storey, story, floor, stairs, stage (in chronostratigraphy), counter for storeys and floors of a building
階級 (カイキュウ) (social) class, rank, grade
中二階 (チュウニカイ) mezzanine floor
位階 (イカイ) court rank
階 (きざはし) stairs, stairs at the front of a noh stage