It’s very difficult to say exactly how many words there are in the English language because it depends how you count them and, of course, language is changing and growing all the time. But even at a conservative estimate, there are well over a quarter of a million distinct English words. That makes the task of teaching vocabulary to learners of English seem a rather daunting one.
Thankfully, Zipf’s Law comes to our rescue. This states that a handful of the most frequent words in the language account for a disproportionately large chunk of any text, either written or spoken. The top 2000 most frequent words, in particular, make up somewhere around 80% of most texts. That makes frequency a good rule-of-thumb indicator of the words we should probably focus on teaching first.
The Oxford 3000TM: then and now
With this aim in mind, the Oxford 3000 word list was first put together back in 2005. Since then, the list has been widely used by learners, teachers, syllabus designers and materials writers to help them choose which vocabulary is worth spending most time over. Fourteen years on, however, it was time for an update. The new Oxford 3000 has had a thorough revision including a new look at the criteria for inclusion and the use of new frequency data based on a much larger and more up-to-date corpus.
Frequency vs. relevance
Whilst frequency is the guiding principle behind choosing which words to include on the list, it doesn’t quite work as a basis for selection on its own. That’s in part because there are a surprising number of words that describe basic things in the world around us and that learners would expect to learn quite early on that actually wouldn’t qualify for a top 3000 on frequency alone. So, words like apple and passport, for example, probably wouldn’t make the cut.
Thus, the new Oxford 3000 balances frequency with relevance to the average learner. As well as how common they are, the list compilers took into account whether words are typically used to talk about the kinds of themes and functional areas common in an ELT syllabus, and the types of tasks and topics needed in English exams.
A core vocabulary as a starting point
It would be wrong, however, to assume that 3000 words will be enough on their own for a learner to read and communicate successfully in English. The Oxford 3000 aims to provide a core vocabulary, that is, a solid basis that students can build around.
At the lowest levels, words on the list are likely to make up the bulk of the learner’s repertoire. So, for an A1 learner, for example, 90% of their vocabulary might consist of basic core words. As learners progress and want to read about and express a wider range of ideas, though, while they will still rely heavily on that core, they will also need to supplement it with vocabulary from other sources. The Oxford 3000 aims to provide a core vocabulary for learners up to roughly B2 level. By this stage, more and more of the vocabulary they acquire will reflect the unique interests and needs of each individual learner.
Julie Moore is a freelance ELT writer, lexicographer and corpus researcher. She’s written a wide range of ELT materials, but has a particular passion for words and always gets drawn back to vocabulary teaching. She’s worked on a range of learner’s dictionaries and other vocabulary resources, including the Oxford Academic Vocabulary Practice titles.
Click here to access the Oxford 3000, Oxford 5000 and Oxford Phrase List.
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