Which Scrabble Dictionary Should You Use? TWL vs SOWPODS Explained

Use whichever dictionary your opponents use: TWL if you play mostly in North America, and SOWPODS almost everywhere else in the world. You play a word, your opponent challenges it, and suddenly you are arguing about whether it is even real. The truth is that the answer depends entirely on which dictionary you agreed to use before the game started. Scrabble does not have one universal word list. It has two main ones, and they disagree on tens of thousands of words. Knowing which is which will save you arguments and help you play the right words for your game.

The Two Main Scrabble Dictionaries

Competitive and casual Scrabble around the world runs on one of two official word lists. They are usually known by short nicknames.

TWL stands for the Tournament Word List, sometimes published as the Official Tournament and Club Word List. It is the standard in the United States, Canada, and Thailand. It contains roughly 180,000 playable words.

SOWPODS is the nickname for the Collins Scrabble Words list, used in the United Kingdom, Europe, Australia, New Zealand, Singapore, and most of the rest of the world. It contains roughly 280,000 playable words. The odd name is a historic blend of two older lists, SOWPODS and OSPD, that were eventually merged into the Collins list most players still call SOWPODS out of habit.

The key relationship is simple. SOWPODS contains almost everything in TWL, plus around 100,000 extra words. So every game decision really comes down to whether you want the smaller North American list or the larger international one.

How Do the Two Lists Differ?

The differences show up most in short words, which is exactly where they matter most for scoring. SOWPODS allows many two and three-letter words that TWL does not. Knowing a handful of these can change how often you find a clean parallel play.

Word	TWL	SOWPODS	Meaning
ZO	No	Yes	A Tibetan hybrid ox
QI	Yes	Yes	Life force energy
EW	Yes	Yes	An expression of disgust
CWM	No	Yes	A steep valley
VELD	Yes	Yes	Open grassland
EUOI	No	Yes	A cry of joy

The pattern is consistent. If a word exists in TWL it almost always exists in SOWPODS too. The reverse is not true. SOWPODS picks up a great many British spellings, dialect words, and short oddities that the North American list leaves out.

Which Dictionary Should You Use?

The honest answer is to use whatever your opponents use. A dictionary only works if both players accept it, so the social context decides more than personal preference.

Use TWL if you play mostly in North America, your club or tournament runs on it, or you are learning the game and want a slightly smaller pool of words to absorb. The shorter list means fewer obscure two-letter words to memorize, which makes early study less overwhelming.

Use SOWPODS if you play in the UK, Europe, Asia, Australia, or in most international online settings. It is also the better choice if you enjoy a wider, more flexible game where more of your rack can be turned into a legal play. Many serious players prefer it precisely because it rewards a deeper vocabulary.

If you play online, check which list your app uses before you assume. Many platforms let you pick, and some default to one or the other based on your region.

How Does the Choice Change Your Play?

The dictionary you use is not just a rulebook footnote. It changes real decisions at the board.

Short words become more available in SOWPODS. The extra two and three-letter words make it easier to slot high-value tiles next to existing words for parallel plays. If you switch from TWL to SOWPODS, the first thing to study is the expanded two-letter word list, because that is where the practical scoring gain lives.

Challenging gets riskier in SOWPODS. Because the list is so much larger, a strange-looking word your opponent plays is more likely to be valid. Reckless challenges that would succeed in TWL often fail in SOWPODS and cost you a turn.

Study targets shift. TWL players focus on a tighter set of bingos and short words. SOWPODS players invest in the larger pool, especially the unusual short words and the many alternative spellings, since those are what separate strong players from average ones.

A Note on Words With Friends

It is worth saying clearly that Words With Friends uses neither TWL nor SOWPODS. It runs on its own proprietary dictionary that overlaps heavily with both but is not identical to either. A word that is valid in Scrabble under TWL may be rejected in Words With Friends, and the reverse happens too. If you play both games, do not assume the lists match. When in doubt, test the word in the game you are actually playing.

This article is an independent reference guide. It is not affiliated with or endorsed by the publishers of any Scrabble dictionary, Hasbro, Mattel, or Zynga.