AtoZ Blog Challenge: W is for WORDS

They comprise of a group of symbols we call alphabet letters. We assemble them in a larger group, and call it a sentence. Then a collection of sentences become a paragraph. And so it grows until you have a short story or novel. An article or a memoir. So we speak, we write and text, with the singular form of code: we call them words.
So how many words are there in English? ► Can you guess?  And which word is the most recognisable word on the planet?► Answer
English is not my native language...