Question

Why does the English language have such a variety of words, spellings and meanings.

Answer 1

Dozens of languages have contributed words to the English language, leading to many different spelling conventions and a broad variety of words.

Answer 2

The English language has a variety of many grammatical inferences mainly because our language is more complex and is used as a national language. Such a selection of words, spellings etc are used so many can refer to a situation with grammar they can understand.