Common word› JLPT N2 › Freq. Frequency Top 1,000 Conjugation 発生する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 発はっ 生せい する 発はっ 生せい しない Polite 発はっ 生せい します 発はっ 生せい しません Past polite 発はっ 生せい しました 発はっ 生せい しませんでした Past 発はっ 生せい した 発はっ 生せい しなかった Te-form 発はっ 生せい して 発はっ 生せい しないで Desire 発はっ 生せい したい 発はっ 生せい したくない Potential 発はっ 生せい できる 発はっ 生せい できない Passive 発はっ 生せい される 発はっ 生せい されない Causative 発はっ 生せい させる 発はっ 生せい させない Causative passive 発はっ 生せい させられる 発はっ 生せい させられない Volitional 発はっ 生せい しよう Polite volitional 発はっ 生せい しましょう Imperative 発はっ 生せい しろ 発はっ 生せい するな Conditional 発はっ 生せい すれば 発はっ 生せい しなければ Tara conditional 発はっ 生せい したら 発はっ 生せい しなかったら
Usage patterns 〈 事こと 〉 が 発はっ 生せい する for an event, problem, or phenomenon to occur
Earthquakes occur in this region every year.
〈 物もの 〉 を 発はっ 生せい させる to generate something (heat, gas, electricity, etc.)
This device generates electricity.
〈 場ば 所しょ 〉 で 〈 事こと 〉 が 発はっ 生せい する for an incident to occur at a place
A fire broke out at the factory.
Kanji 発 departure, discharge, publish Related words· 12 起こる is a plain, everyday verb for 'to happen', while 発生 is a more formal noun/verb used for events, phenomena, or technical processes.
発達 stresses ongoing growth or advancement after something exists, whereas 発生 focuses on the initial emergence or origin of an organism or phenomenon.
生産 refers to manufacturing or producing goods, while 発生 refers to the generation of energy, heat, gas, or signals through a natural or mechanical process.
生じる is a slightly literary verb meaning 'to arise' or 'come about', often for abstract problems, while 発生 is the more common noun for concrete occurrences and phenomena.
Show 8 more Show fewer 発生 is a general word for the occurrence or generation of events, problems, or life, while 勃発 is reserved for the sudden, often violent outbreak of something large-scale like war.
発生 is the common, neutral word for an event or problem occurring, while 出来 is a formal, old-fashioned term used mainly in written contexts.
発生 is the neutral general term for something occurring or arising, while 突発 stresses that the event happens abruptly and unexpectedly.
発生 describes the occurrence or outbreak of an event or phenomenon, while 生成 emphasizes the creation or formation of something, often via an active process or agent.
発生 focuses on an event or problem arising or occurring, whereas 出現 focuses on something becoming visible or observable for the first time.
発生する is a formal, often technical word for something occurring (e.g. a disease, phenomenon), whereas 起きる is the everyday word for events happening.
発生する is the more common modern verb for something occurring or breaking out, while 発する is a more literary or formal alternative used in the same sense.
発生する emphasizes the emergence or onset of something (like a disaster or disease), overlapping with the intransitive sense of 生ずる , but 発生する is the standard term in technical and news contexts while 生ずる is more literary.
Don't confuse with 派生 means something branches off from an existing source, while 発生 means something newly occurs or arises, and the two are easily confused due to similar kanji and pronunciation.
発生 means 'occurrence' or 'outbreak' itself, while 発生源 refers to the specific place or point from which that occurrence originates.
Counted with The neutral counter for occurrences: how many times something happens.
Used when referring to an event or case as an item, but not for every context.
Word family· 37 source; origin
explosive increase; severe outbreak; upsurge of pests
heat generation; thermogenesis
embryology
incidence rate; frequency of occurrence
Show 5 more Show fewer chronological; in order of occurrence
embryogenesis; embryonic development
gas generation; gasification
ontogeny; ontogenesis
merogony
See all 37 in Explore →
Etymology Compound of 発 (hatsu, 'emit, start') and 生 (sei, 'life, birth'). The combination conveys the idea of something coming into being or being produced.
Report an issue with this page
Copyright © 2026 Kotomora. All Rights Reserved.