🦅 Project Eagle
Quintuple VS

Synonym Boundary: "及び", "ひいては", "かつ", "並びに", "なおかつ"

All represent the core concept "and", but require precise selection.

Japanese Option A

及び

および (oyobi)
N3 / CEFR
Japanese Option B

ひいては

ひいては (hiiteha)
C1 / CEFR
Japanese Option C

かつ

かつ (katsu)
C1 / CEFR
Japanese Option D

並びに

ならびに (narabini)
C1 / CEFR
Japanese Option E

なおかつ

なおかつ (naokatsu)
C1 / CEFR

Quintuple VS Nuance Contrast & Social Differences

When expressing "and" in Japanese, you must carefully distinguish between "及び", "ひいては", "かつ", "並びに", "なおかつ" based on context.
  • 及び (および (oyobi) - Level: N3): Maps to "and, as well as (formal)" and is used when A more formal way to connect nouns or phrases, similar to と or そして but often used in official documents or formal speech..
  • ひいては (ひいては (hiiteha) - Level: C1): Maps to "and therefore, in turn" and is used when Essential structural term in CEFR C1 vocabulary syllabus..
  • かつ (かつ (katsu) - Level: C1): Maps to "and, moreover" and is used when Essential structural term in CEFR C1 vocabulary syllabus..
  • 並びに (ならびに (narabini) - Level: C1): Maps to "and, as well as" and is used when Essential structural term in CEFR C1 vocabulary syllabus..
  • なおかつ (なおかつ (naokatsu) - Level: C1): Maps to "and yet, besides" and is used when Essential structural term in CEFR C1 vocabulary syllabus..
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "及び"
彼は英語及びフランス語を話せる。
He can speak English and French.
Context for "ひいては"
私はひいてはに興味があります。
I am interested in and therefore, in turn.
Context for "かつ"
私はかつに興味があります。
I am interested in and, moreover.
Context for "並びに"
私は並びにに興味があります。
I am interested in and, as well as.
Context for "なおかつ"
私はなおかつに興味があります。
I am interested in and yet, besides.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "彼は英語 ___ フランス語を話せる。" (Meaning: "He can speak English and French.")
🎉 Correct Answer!

Remember: "及び" is correct here because it represents "and, as well as (formal)" in the context: "He can speak English and French.".

💡 Practice with AI! Live

Don't just read. Practice speaking this grammar with our interactive AI coach for free!

Try AI Speaking 👉