即そっ効こう

そ

っ

こ

う

Common wordFreq.FrequencyTop 20,000

Meanings

1

noun

immediate effect; instant effect

Describes something that takes effect right away, often used for medicines, measures, or solutions.

即そっ効こうUsage100%
Standard kanji spelling; common in news and everyday contexts.
即そっ功こう
Rare variant; 功 suggests 'result' or 'effect' but is much less common than 効.

即そっ効こう性せい
即効性 is the noun form meaning 'immediacy of effect', often used as a modifier like 即効性のある.
速そっ効こう
速効 emphasizes 'quick effect' (speed), while 即効 emphasizes 'instant effect' (immediacy). In practice they are often interchangeable.

Compound of 即 (immediate) and 効 (effect). The reading そっこう is a regular on'yomi combination.