English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
Non-count Nouns
My mum sells ~underwears~ at home (nonstandard).
My mum sells underwear at home (standard). Clothing worn under other clothes, typically next to the skin are underwear.
Many women like ~jewelleries~ (nonstandard).
Many women like jewellery (standard; British).
Many women like jewelry (standard; American).
Some countries have got destructive arms and ~ammunitions~ (nonstandard).
Some countries have got destructive arms and ammunition (standard). Objects that can be shot from a weapon, such as bullets or bombs are ammunition.
GAB