| gleg(adjective, play, pleasure, glad, merry) |
| gobble(noun, verb, ululation, ululate) |
| growl(noun, verb, ululation, ululate) |
| grunt(noun, verb, ululation, ululate) |
| happy-go-lucky(adjective, play, pleasure, glad, merry) |
| heartsome(adjective, play, pleasure, glad, merry) |
| high-hearted(adjective, play, pleasure, glad, merry) |
| honk(noun, verb, ululation, ululate) |
| quack(noun, verb, ululation, ululate) |
| snarl(noun, verb, ululation, ululate) |
| snort(noun, verb, ululation, ululate) |
| squawk(noun, verb, ululation, ululate) |
| twirp |
| twit(noun, verb, ululation, ululate) |
| vocalize(verb, state, express, put, wait) |
| yelp(noun, verb, ululation, ululate) |
| chant(verb, state, sound, wait, shout) |
| chitter(noun, verb) |
| cry(noun, verb, time, noise, song) |
| hum(verb, wait, shout, whistle, chant) |