Common word› JLPT N3 › Freq. Frequency Top 5,000 Conjugation 保証する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 保ほ 証しょう する 保ほ 証しょう しない Polite 保ほ 証しょう します 保ほ 証しょう しません Past polite 保ほ 証しょう しました 保ほ 証しょう しませんでした Past 保ほ 証しょう した 保ほ 証しょう しなかった Te-form 保ほ 証しょう して 保ほ 証しょう しないで Desire 保ほ 証しょう したい 保ほ 証しょう したくない Potential 保ほ 証しょう できる 保ほ 証しょう できない Passive 保ほ 証しょう される 保ほ 証しょう されない Causative 保ほ 証しょう させる 保ほ 証しょう させない Causative passive 保ほ 証しょう させられる 保ほ 証しょう させられない Volitional 保ほ 証しょう しよう Polite volitional 保ほ 証しょう しましょう Imperative 保ほ 証しょう しろ 保ほ 証しょう するな Conditional 保ほ 証しょう すれば 保ほ 証しょう しなければ Tara conditional 保ほ 証しょう したら 保ほ 証しょう しなかったら
Usage patterns 〈 事こと 〉 を 保ほ 証しょう する to guarantee something (quality, safety, etc.)
This maker guarantees the quality of its products.
〈 物もの 〉 に 保ほ 証しょう が 付つ く for a product to come with a warranty
This computer comes with a one-year warranty.
〈 人ひと 〉 の 安あん 全ぜん を 保ほ 証しょう する to guarantee someone's safety
The company has an obligation to guarantee its employees' safety.
保ほ 証しょう が 切き れる for a warranty to expire
The refrigerator's warranty has already expired.
Kanji 保 protect, guarantee, keep 証 evidence, proof, certificate Related words· 8 確約 is a firm formal promise or pledge, while 保証 more often implies a guarantee backed by responsibility, such as a product warranty.
担保 refers to collateral or security put up to back a loan, a narrower financial sense than the general assurance meaning of 保証 .
保証 is a formal guarantee or warranty for a product, service, or promise, often legally binding, while 保険 is financial insurance covering loss, illness, or accidents.
保証する is the common, everyday verb for guaranteeing or assuring something, while 保する is a formal, mostly written equivalent.
Show 4 more Show fewer 保証 is the plain noun for 'guarantee/warranty', while 保証付き is its adjectival form meaning 'comes with a guarantee'.
保証 is a formal guarantee or warranty (often legal), while 確保 refers to the act of actually securing or obtaining something concrete.
保証する is the direct, formal word for guaranteeing or assuring something, while 引き受ける in this sense means vouching by personally accepting responsibility.
お墨付き implies endorsement from a respected person or institution, while 保証 simply means a guarantee and doesn't require high status backing.
Don't confuse with· 5 保証 means a guarantee or warranty that something is true or will work, while 補償 means compensation paid for a loss or damage.
保障 (same reading) means 'security/safeguard' in a broader institutional sense, whereas 保証付き specifically means a product or service comes with a warranty.
保証 is the act or state of guaranteeing something, while 保証人 is the specific person who provides that guarantee.
Show 2 more Show fewer 保証 means to guarantee or vouch for something, while 保護 means to protect or safeguard; they share the kanji 保 and sound similar but differ in meaning.
保証 (same reading as 保障 in 安全保障 ) means a personal guarantee or warranty, not a security policy, so writers must be careful not to swap the kanji.
Word family· 32 written guarantee; warranty card
guarantor; surety; sponsor; reference
deposit; security deposit; bond
warranty provider
guarantee fee
Show 6 more Show fewer guarantee letter; letter of guarantee
revolving guarantee; basic guarantee
without warranty; unsecured
guaranteed; certified; with warranty
guarantor company; surety company
guarantee insurance
See all 32 in Explore →
Written forms 保ほ 証しょう Usage 49%
Standard kanji for guarantee, warranty, and assurance. High priority in news and common usage.
保ほ 障しょう Usage 51%
Used especially for social security, safety nets, and institutional guarantees. Not used for product warranties.
Etymology Sino-Japanese compound of 保 (protect, keep) and 証 (proof, evidence) for 保証 , and 障 (obstruct, hinder) for 保障 . The distinction in modern usage is conventional rather than etymologically strict.
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