In the English (United Kingdom)/en_gb language, Beetroot and Mushroom are named with "Soup" at the end, whereas Rabbit is named with "Stew" at the end. (Mushroom Soup, Beetroot Soup, Rabbit Stew). In English (US)/en_us, Rabbit and Mushroom are named with "Stew" at the end, whereas Beetroot is named with "Soup" at the end. These inconsistencies continue across the other English language options. 

Alongside this, the filenames for Mushroom and Rabbit have "stew" at the end, whereas Beetroot has "soup" at the end. (minecraft:mushroom_stew , minecraft:rabbit_stew , minecraft:beetroot_soup)

The image files attached are all shown in English (United Kingdom).