Not what you asked for, but Welsh has irregular plurals for adults and children, too:

Adult: oedolyn
Adults: oedolion

Child: plentyn
Children: plant

(Still learning, so I’m not too sure why or how)

The country of Mali has little to do with lemmy.ml, apart from an annual transaction worth 10 USD.

I was uncomfortable with the fact that .ml was hosted in Malaysia

Not to discount your other points, but lemmy.ml isn’t hosted in Malaysia. The .ml TLD is for Mali, a country in Africa. And the site is hosted by OVH, on servers in France.