Steps to reproduce
Go to Options
Choose English (US) in Language
Turn on Closed Captions in Sound Options
Join a Minecraft world with commands enabled
Use the command for ambient Zombie Horse sound:
/playsound minecraft:entity.zombie_horse.ambientUse the command for Parrot imitating Zombie Horse sound:
/playsound minecraft:entity.parrot.imitate.zombie_horsePay attention to the Closed Captions
Result
The Zombie Horse produces a caption Zombie Horse cries, while the Parrot imitation produces a caption Parrot groans.
Expected result
The Captions should be consistent, using the same verb. Either Zombie Horse cries and Parrot cries, or Zombie Horse groans and Parrot groans.
Notes
In language packs the relevant caption text is stored at subtitles.entity.zombie_horse.ambient and subtitles.entity.parrot.imitate.zombie_horse, respectively
Can confirm.