Words That Start With X: Complete List for Word Games & Puzzles

The letter X is worth 8 points in Scrabble and 8 in Words With Friends, making it one of the most valuable tiles you can draw. But unlike common letters, most players struggle to name more than a handful of words that start with X. That ends here. This reference covers every playable X-starting word you need to know, from 2-letter hooks up to high-scoring bingos.

For instant results from your specific rack, enter your tiles on our word unscrambler homepage.

2-Letter Words Starting With X

Only two 2-letter words start with X, and both are essential Scrabble knowledge:

• XI — the 14th letter of the Greek alphabet (9 points in Scrabble)
• XU — a Vietnamese monetary unit equal to 1/100 of a dong (9 points)

Play XI on a triple-letter square for 27 points from just two tiles. These two words alone justify memorizing every X-starting entry on this list.

3-Letter Words Starting With X

Note: XIS is the go-to when you need to dump X fast. Three tiles, hooks onto any existing I or S.

4-Letter Words Starting With X

• XANA — a type of nymph in Asturian mythology
• XANTH — a combining form meaning yellow
• XEBEC — a small three-masted Mediterranean ship (5 letters, but worth knowing)
• XERX — not valid; skip

The more common 4-letter X words that actually appear in play:

• XMAS — abbreviation for Christmas

5-Letter Words Starting With X

These are the bread-and-butter X-starting words for competitive play:

• XENIA — hospitality; the influence of pollen on a seed
• XERIC — requiring very little moisture; dry
• XEROX — to photocopy (15 points)
• XENON — a noble gas, element 54
• XANTH — combining form meaning yellow

Longer Words Starting With X

For Scrabble bingo plays (using all 7 tiles for a 50-point bonus), know these:

• XENOLITH — a rock fragment foreign to the igneous rock in which it's embedded
• XEROXING — making photocopies
• XANTHATE — a salt of xanthic acid
• XANTHIC — yellowish
• XENOGRAFT — a tissue transplant from another species
• XEROGRAPH — to photocopy
• XIPHISTERNUM — the lower part of the sternum

Want to check if a specific X word is valid? Try the word unscrambler for XANTHIC or the solver for XENON.

Common Words Starting With X (Non-Scrabble Usage)

Beyond the obscure Scrabble plays, these X-starting words appear in everyday English and word puzzles:

• Xylophone — a percussion instrument with wooden bars
• X-ray — electromagnetic radiation used in medical imaging
• Xenophobia — fear or hatred of foreigners
• Xerox — to copy; a brand of photocopier
• Xenon — a colorless noble gas
• Xantham — relating to a gum used in food
• Xylose — a sugar found in wood
• Xeriscape — to landscape in a way that needs little water
• Xenon — element 54
• Xiphoid — sword-shaped

Scrabble Strategy for X Words

1. Hold X for premium squares. An X on a triple-letter square in XI scores 27 from two tiles. Don't waste it on a low-value play.
2. Play X late if the board is open. With few open lanes, X becomes hard to place. If the board is wide, keep X and wait for the bonus-square opportunity.
3. Know your front hooks. EX-, OX-, AX-, and IX- are common word-starting combos. If you see an open E, play EX; an open O, play OX.
4. Bingo hunting with X. Words like XEROPHYTE, XANTHOMA, and XENOLITH use all 7 tiles. Enter your rack into our unscrambler to find bingos.

Quick Reference: Essential X Words by Length

2 letters: XI, XU

3 letters: XIS

4 letters: XMAS

5 letters: XENIA, XENON, XERIC, XEROX

6+ letters: XANTHIC, XENOLITH, XEROXED, XEROXING

X Words in Wordle and Word Puzzles

In Wordle, X appears in roughly 2% of answers. When it shows up, it is almost always in the middle or end of the word, following the EX- pattern:

• Position 2 (EX-): EXTRA, EXALT, EXILE, EXIST, EXPEL, EXERT. This is the most common position for X in Wordle answers.
• Position 4 or 5: RELAX, FLUX, HELIX, BORAX, AFFIX, PIXEL, VORTEX (6 letters, not Wordle). These are less common but possible.
• Starting X: XEROX is the most likely X-starting Wordle answer, though it is rare.

The best approach for X in Wordle: do not start with an X word. Use a strong opener like CRANE or SLATE. If X comes back yellow or green, narrow down using the EX- pattern first, then check ending-X words.

Words Ending in X (for Parallel Play)

In Scrabble and similar games, words ending in X are just as important as words starting with X. Knowing them lets you play parallel to existing words for multiple scores:

• 3-letter endings: BOX, FOX, HEX, LAX, MIX, REX, SIX, TAX, VOX, WAX, ZEX
• 4-letter endings: APEX, CALX, FLUX, HELIX, HOAX, LYNX, ONYX, PERPLEX (7), PHLOX, PREX, SILEX, SPHINX, VORTEX
• Common patterns: -AX (FLAX, RELAX), -EX (APEX, VEX, COMPLEX), -IX (HELIX, FIX, MIX), -OX (BOX, FOX, LOX, POX)

Playing a word that ends in X beside an existing word often creates two scoring opportunities simultaneously. For example, placing BOX parallel to a row creates both BOX and a cross-word, doubling your points from a single play.

For any rack with an X in it, our unscrambler tool will instantly show every valid word. For more specialized letter guides, see our words starting with Z and Q words without U references, or browse the blog index for more word game strategy.