~と adverb / adverb / ~する noun:

• lightly rolling (of a small and round thing) - onomatopoeia
• pleasant, high-pitched sound (e.g. bell, young woman's laughter) - onomatopoeia
• changing frequently (e.g. conversation, plans); (occurring) in rapid succession (e.g. sumo wrestlers being defeated); fickly; in a fickle manner - onomatopoeia
• roly-poly - onomatopoeia

~と adverb / adverb:

• chirp chirp; sound of insects - onomatopoeia
• ribbit ribbit; croak croak; sound of frogs - onomatopoeia ➜ ケロケロ

noun:

• roller; lint roller; paint roller ［ころころ・コロコロ］ - onomatopoeia