gowa-gowa（ゴワゴワ）
gowa-gowa describes a stiff, coarse, or firm texture, especially when something feels hardened, inflexible, or not yet softened.
gotsu（ゴツ）
gotsu describes a short, firm impact sound produced when hard objects collide or strike against a surface.
pika-pika（ピカピカ）
1. Shining or sparkling brightly
shuwa-shuwa（シュワシュワ）
shuwa-shuwa describes a light, fizzy sound or sensation produced by bubbles, carbonation, or gentle effervescence.
niya-niya（ニヤニヤ）
niya-niya describes a sly, smug, or suggestive grin that continues over time.
kyu（キュッ）
kyu describes a quick, firm tightening or constricting motion or sound.
gotsu-n（ゴツン）
gotsu-n describes a single, heavy impact sound produced when a hard object strikes another surface with noticeable force.
fuwa-fuwa（フワフワ）
1. Soft, light, and fluffy in texture
peta-peta（ペタペタ）
peta-peta describes a light, flat sound or motion created when something soft or slightly sticky repeatedly touches a surface.
kusu-kusu（クスクス）
kusu-kusu describes a soft, restrained form of laughter, typically a quiet chuckle or giggle made under one’s breath.