How many words in the English language have the letter 'a' in them?

It's difficult to provide an exact number of Words in the English language that contain the letter 'a,' as the language is constantly evolving and new Words are regularly added. However, it is estimated that there are tens of thousands of Words with 'a' in them, given the vastness of English vocabulary, including variations, derivatives, and specialized terms. Additionally, dictionaries typically list hundreds of thousands of entries, many of which include the letter 'a.'