This is the 6352nd most frequent Japanese word.
ザザ
"ザザ" (zaza) represents the sound of rushing water or heavy rainfall in Japanese onomatopoeia.
The word "ザザ" is used here as an onomatopoeic expression to represent the sound of heavy rainfall.
雨がザザと降り始めた。
The rain started pouring heavily.
In this sentence, "ザザ" provides an auditory depiction of leaves rustling due to the wind.
落ち葉がザザっと風に吹かれた。
The fallen leaves rustled with the wind.
"ザザ" is used to directly describe a sound heard, indicating some indistinct noise, such as something brushing or scraping.