English vs Spanish: More Words
Simply put, there are more words in English. Is it that English is older than Spanish? Not really. It is difficult to date exactly the origin of a language, but English as we know it, probably was already in use in the 16th century whereas modern Spanish was already being used (due to the fact that Spain consolidated as a major power decades before than England did). But for some reason English ended up having more words than Spanish and other languages as well (around 240,000 words aside technical terms). Why is this? Perhaps one reason is that English is much more dynamic since there is no institution around that regulates its development. There is a Real Academia de la Lengua Española that officially admits new words into Spanish and discards the ones that, after exhaustive studies, are deemed to be no longer in use. If you want to know if a word has "officially" been admitted into English then you have to consult the most important dictionaries such as the Merriam-W