| Word | Definitions | Synonyms |
|---|---|---|
| chirr | (verb) make a vibrant noise, of grasshoppers or cicadas | - |
| chirrup | (verb) make high-pitched sounds | Synonyms: cheep, chirp, peep |
| 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 |