| Term | Definition |
| ぺこぺこ | 1. Stomach rumbling; 2. Bow / be obsequious |
| ピンポン(と) | Ding-dong |
| すやすや(と) | Sleep peacefully |
| バタンと | With a bang |
| さらさら | Soft rustle; smoothly |
| ざらざら | Rustle noisily; roughly |
| しとしと | Gentle rain; drizzle |
| じとじと | Wet; humid |
| ブーブー | Grumble, complain |
| ブツブツ | Muttering, mumbling |
| にっこり | Smile broadly, grin |
| クスクス | Giggle, snigger, titter |
| にやりと | Sneer, snigger |
| げらげら | Guffaw |
| ニヤニヤ | Grin, simper, smirk |
| ホーホケキョと | Warbling of bird |
| オギャアオギャアと | Crying of baby |
| オイオイ | Cry bitterly, (adult - usually male) |
| えーんえーん | Child crying |
| グーグーと | Snore |
| ぐっすりと | Sound sleep |
| こっくりこっくり | Doze, nod off |
| ウトウト(と) | Drowsily, nodding off |
| がんがん(する) | Pounding, (pain and noise) |
| ずきずき(する) | Throbbing pain |
| ちくちく(する) | Prickly, tingling pain |
| ひりひり(する) | Burning pain |
| ぞくぞく | Shiver, (cold, fear, excitement) |
| きりきり | Sharp, continuous pain |
| めそめそ(する) | Sob, weep, wimper |
| ワイワイ | Noisily, boisterously |
| バタバタ | Pattering, clattering |
| プカプカ | With puffs, lightly |
| ゴボゴボ | Gurgling, bubbling |