if its a bigger than a rat but doesnt look like a wolf, then its a pig

https://www.hs.fi/tiede/art-2000011343950.html

badger is Finnish anima and Finns originally named it "forest pig", this changed later with knowledge of biology

badger however is infact related to a wolf for real

other people have named porcupines as "spined pigs"

porcupine is related to rats

european people who went to afrika, named aadvark as "ground pig"

aadvark is distant relative of an elephant

then some europeans went to south america and discovered cabybara

they named it "waterpig" because it spend so much time in water

but turns it its yet another rat relative