How to write English words of house

How to write English words of house

house

What's the plural of "Hippo"

Plural: Hippos

I brush my teeth

brush my teeth

What is the plural of "Hippo"?

Add s directly
It's hippos

Which animal has the darkest teeth in the world?
It's animals

Why is Indian curries (plural curry) different from the previous one?
I'm referring to why the former and the latter have different curry forms!

Curry is both a countable noun and an uncountable noun. As for this question, I think the former should be "beef curry". Beef curry is curry as a whole. Curry is not plural
And the front is about all kinds of curries in India

There is an animal that can swim and live by the river. It has sharp teeth. People use it to make shoes and backpacks

Crocodiles, they have to