X is the rarest starting letter in English — only a small handful of three-letter words begin with it. This page collects every commonly accepted one, with definitions, word types, and difficulty ratings. Each of these words is worth knowing precisely because there are so few of them, and the high-value X tile makes them powerful in word games.
X is the least common starting letter in the English language. Fewer than 0.1% of English words begin with X, and the three-letter set is even thinner — just a handful of entries across major dictionaries. This is not a gap in the list; it is simply an accurate reflection of English vocabulary. The scarcity is a direct result of the letter's history: most X-initial words in English derive from Greek, where X represented the sound "ks," and modern English usually spells those roots differently.
Because the set is so small, knowing every entry is entirely achievable. And in word games where X tiles are rare and high-scoring, that knowledge pays off every time you draw one.
The complete set of commonly accepted three-letter English words beginning with X is short enough to display in full:
Xed and xes are the most practical of these — they are verb forms meaning to cross out or delete with an X mark, and they are the most broadly accepted across different dictionaries. Xis is the plural of xi (the Greek letter) and is valid in most major Scrabble dictionaries. Xat is the most specialized: it refers to a carved totem pole of Pacific Northwest Indigenous peoples, and its dictionary validity varies by edition.
The X tile scores 8 points in standard Scrabble — one of the highest values in the game. The challenge is that X almost never appears at the beginning of words, so most players default to placing X in the middle or at the end. Knowing the few valid X-initial three-letter words gives you an additional strategic option when you draw an X and the board is otherwise hostile.
Xis is the most reliable play: three letters, broadly accepted, and uses the X efficiently in a short slot. Xed is also strong and easy to remember since it is simply the past tense of the verb "to x." Xes rounds out the verb set as the third-person singular present form. Always verify these against the specific dictionary used in your game before playing them in competition.
The rarity of X-initial words makes them memorable by default. When you encounter a word that begins with X, it is almost certainly derived from Greek — typically a scientific, mathematical, or cultural term. Understanding this pattern helps with spelling and recognition. Xat, for example, enters English from Indigenous Pacific Northwest languages rather than the usual Greek route, which makes it a genuinely unusual exception even within a letter that is already exceptional.
Because the X set is so small, filters are less critical here than on other letter pages — but they still work if you want to isolate by type or difficulty. Use the Copy list button to export the full set in the format you need. For a broader exploration of three-letter words across all letters, the 3-letter word generator is the best companion tool.
Only a small handful of three-letter words begin with X in English. This page includes the most commonly accepted ones: xat, xed, xes, and xis. X is the rarest starting letter in English, and the three-letter set reflects that scarcity accurately.
The best options are xis, xed, and xes. All three use the high-value X tile (8 points in standard Scrabble) in a short, flexible play. Xis is most broadly accepted across dictionaries. Always confirm validity against the specific word list used in your game.
English has very few native words beginning with X. Most X-initial words derive from Greek, where X represented the "ks" sound. In modern English, those Greek-origin words are typically spelled with other letters, leaving only a tiny residual set of words that genuinely start with X.
Xis is the plural of xi, the 14th letter of the Greek alphabet. It is one of the most useful X words in word games precisely because it is short, easy to remember, and broadly accepted in major Scrabble dictionaries — giving you a valid play for the high-scoring X tile.
Xat refers to a carved totem pole of Pacific Northwest Indigenous peoples. Its Scrabble validity varies between editions and official word lists. It is accepted in some dictionaries but not all, so verify it against the specific ruleset you are using before playing it in competition.