Animals & plants

ox

Source:*volъProto-Slaviccertain

Once the final yer fell, the o was in a closed syllable: Ukrainian made it і, Polish ó, Czech ů, and BCS dropped the final l altogether.

I knowI'm learning

English

Polish

wół

vuw

Learn freshDifferent words — learn this one fresh.

In all five languages

BCS script

Latin under Cyrillic

Russian
волvol
volinherited
Ukrainian
вілvil
ʋʲilinherited
Polish
wół
vuwinherited
Czech
vůl
vuːlinherited
Also a mild insult, 'idiot'.
Bosnian-Croatian-Serbian
voво
voinherited
The l comes back in the other cases: vola, volovi.
English
ox