zuba（ズバ）
zuba describes a sharp, decisive motion in which something cuts, pierces, or moves through an object or space with clear precision.
zoku（ゾク）
zoku describes a brief, sudden shiver or chill that runs through the body in a single moment.
zii（ジーッ / jii）
zii describes a continuous, quiet, focused state or sound, often written as jii in romaji.
zun-zun（ズンズン）
zun-zun describes continuous, heavy, and forceful movement or impacts, often produced by someone or something advancing with weight and momentum.
zun（ズン）
zun describes a deep, heavy, and impactful sound or sensation, often associated with something large or weighty moving, landing, or resonating.
zaa-zaa（ザーザー）
1. Heavy, continuous rainfall
zoro-zoro（ゾロゾロ）
zoro-zoro describes a large number of people or animals moving together in a continuous line or group.
zara-zara（ザラザラ）
zara-zara describes a rough, coarse, or uneven texture that creates friction when touched or moved.
zaku-zaku（ザクザク）
1. A crunchy, cutting, or digging sound
zubo（ズボ）
1. Sound of something sinking deeply into soft material