Quadruple VS
Synonym Boundary: "よん", "四原因説", "四諦", "文房四宝"
All represent the core concept "four", but require precise selection.
Japanese Option A
よん
よん (yon)
N5 / CEFR
Japanese Option B
四原因説
しげんいんせつ (shigen'insetsu)
C2 / CEFR
Japanese Option C
四諦
したい (shitai)
C2 / CEFR
Japanese Option D
文房四宝
ぶんぼうしほう (bunboushihou)
C2 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "four" in Japanese, you must carefully distinguish between "よん", "四原因説", "四諦", "文房四宝" based on context.
- よん (よん (yon) - Level: N5): Maps to "four" and is used when Can also be read as し.
- 四原因説 (しげんいんせつ (shigen'insetsu) - Level: C2): Maps to "four causes (Aristotle)" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
- 四諦 (したい (shitai) - Level: C2): Maps to "The Four Noble Truths" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
- 文房四宝 (ぶんぼうしほう (bunboushihou) - Level: C2): Maps to "the four treasures of the study" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
Context for "よん"
クラスに学生がよんにんいます。
There are four students in the class.
Context for "四原因説"
私は四原因説に興味があります。
I am interested in four causes (Aristotle).
Context for "四諦"
私は四諦に興味があります。
I am interested in The Four Noble Truths.
Context for "文房四宝"
私は文房四宝に興味があります。
I am interested in the four treasures of the study.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "クラスに学生が ＿＿＿ にんいます。" (Meaning: "There are four students in the class.")
🎉 Correct Answer!
Remember: "よん" is correct here because it represents "four" in the context: "There are four students in the class.".