sube-sube（スベスベ）
sube-sube describes a smooth, even surface with no roughness or friction.
shobo-n（ショボーン）
shobo-n describes a small, quiet feeling of disappointment or mild discouragement.
su（スッ）
1. Quick, smooth bodily movement
shito-shito（シトシト）
shito-shito describes light, quiet, and continuous rainfall.
sowa-sowa（ソワソワ）
sowa-sowa describes a state of emotional restlessness or nervous anticipation, where a person cannot stay calm or focused.
suta-suta（スタスタ）
suta-suta describes a brisk, steady walking pace characterized by quick, uninterrupted steps.
shuwa-shuwa（シュワシュワ）
shuwa-shuwa describes a light, fizzy sound or sensation produced by bubbles, carbonation, or gentle effervescence.
shittori（シットリ）
shittori describes a state of gentle moistness or soft richness, often used for textures, atmospheres, or emotional impressions that feel calm, smooth, and quietly refined.
sara-sara（サラサラ）
sara-sara describes a smooth, light, and free-flowing quality in texture or movement.
shiin（シーン）
1. Complete silence or stillness