| moos(noun, verb, ululations, ululates) |
| neighs(noun, verb, ululations, ululates) |
| puffs(noun, verb) |
| purrs(noun, verb, ululations, ululates) |
| quacks(noun, verb, ululations, ululates) |
| sizzles(noun, verb, sibilates, sibilations) |
| snarls(noun, verb, ululations, ululates) |
| squawks(noun, verb, ululations, ululates) |
| squeals(noun, verb, ululations, ululates) |
| trills(noun, verb, ululations, ululates) |
| warbles(noun, verb, ululations, ululates) |
| whinnies(noun, verb, ululations, ululates) |
| whirs(noun, verb, sibilates, sibilations) |
| whispers(noun, verb, sibilates, sibilations) |
| whistles(noun, verb, sibilates, sibilations) |
| whizzes(noun, verb, sibilates, sibilations) |
| whooshes(noun, verb, sibilates, sibilations) |
| yelps(noun, verb, ululations, ululates) |
| zips(noun, verb, sibilates, sibilations) |
| gulps(verb, sound) |