| Word | Definitions | Synonyms |
|---|---|---|
| birr | (verb) make a soft swishing sound | Synonyms: purr, whir, whirr, whiz, whizz |
| chirr | (verb) make a vibrant noise, of grasshoppers or cicadas | - |
| shirr | (verb) bake (eggs) in their shells until they are set | - |
| whirr | (verb) make a vibrant sound, as of some birds | Synonyms: churr |
| (verb) make a soft swishing sound | Synonyms: birr, purr, whir, whiz, whizz |