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synonym Comparative
確実
VS
言質

Differences Between "確実" and "言質"

Option A
確実
Meaning
certain, reliable, definite, sure
Reading
かくじつ (kakujitsu)
Syllabus Level
N2
Practical Example
彼の証言は確実な情報源に基づいている。
His testimony is based on a reliable source.
Option B
言質
Meaning
a definite promise, a commitment (usually verbal)
Reading
げんち (genchi)
Syllabus Level
N2
Practical Example
彼は私に確かな言質を与えなかった。
He didn't give me a firm commitment.

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(certain, reliable, definite, sure)"?
🎉 正解 / Correct!
使い分け解説:
- 確実: Emphasizes certainty and reliability of a fact, outcome, or promise. It suggests there is little to no doubt. Often used for predictions or guarantees. 着実 (chakujitsu) is about the *process* being steady, 確実 is about the *outcome* or *fact* being certain.
- 言質: Refers to obtaining a clear, undeniable verbal statement or promise from someone, which can later be used as proof or a basis for action. Often used in formal or business contexts. 「あとで証拠となるような確かな言葉や約束」を意味します。
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