sube-sube（スベスベ）
sube-sube describes a smooth, even surface with no roughness or friction.
tsuya-tsuya（ツヤツヤ）
tsuya-tsuya describes a smooth, glossy, and well‑moisturized surface.
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.
uto-uto（ウトウト）
uto-uto describes the state of dozing off, drifting in and out of light sleep, or becoming drowsy without fully losing consciousness.
hera-hera（ヘラヘラ）
hera-hera describes a person acting in a frivolous, unserious, or overly casual manner, often smiling or laughing without sincerity.
bari-bari（バリバリ）
bari-bari describes a hard, tearing or ripping sound, such as paper or material being forcefully torn.
pika-n（ピカーン）
pika-n describes a sudden flash of light or a sharp moment of realization.
shobo-n（ショボーン）
shobo-n describes a small, quiet feeling of disappointment or mild discouragement.
gaku（ガク）
gaku describes a sudden emotional or physical collapse caused by shock, disappointment, or discouragement.