Words that start with X and Z, with meanings
Words that start with X and Z for kids and grown-ups, the surprising way X sounds at the start of a word, and words with X inside.

X and Z are the scariest letters in any word game. I once stared at an X for so long my bamboo went cold. So I collected the best words that start with X and Z, each with a quick meaning.
Here is a fun fact to start: most English words that begin with X are said with a Z sound, like xylophone.
Words that start with X
Easy X words
- X-ray: a picture of the inside of your body
- Xylophone: a musical instrument with bars you hit with mallets
- Xmas: a short way to write Christmas
Bigger X words
- Xenophobia: fear or dislike of people from other countries
- Xenon: a gas used in some bright lamps
- Xylem: the tissue that carries water up a plant
- Xeric: very dry, like a desert habitat
- Xiphoid: shaped like a sword (the xiphoid process is the tip of your breastbone)
- Xebec: an old three-masted sailing ship
Words with X inside
Starting with X is rare, but X inside a word is everywhere. These are great for spelling practice and word games:
- Box, fox, six, mix, wax
- Taxi, exit, extra, exam, next
- Relax, oxygen, complex, galaxy, toxic
Words that start with Z
Easy Z words
- Zebra: a horse-like animal with black and white stripes
- Zero: the number 0
- Zoo: a place where you can see animals
- Zipper: closes jackets and bags
- Zigzag: a line that turns sharply back and forth
- Zoom: to move very fast
- Zone: an area with a special use
Bigger Z words
- Zeal: great energy and enthusiasm
- Zealous: full of zeal
- Zenith: the highest point
- Zephyr: a soft, gentle breeze
- Zany: silly in a funny way
- Zest: excitement, or the grated skin of a citrus fruit
- Zoology: the study of animals
- Zucchini: a long green summer squash
X and Z in word games
In quick word games where every category needs an answer, X and Z are the letters that leave everyone blank. Keep a few answers ready: names (Xavier, Zoe), animals (zebra), objects (xylophone, zipper).

PolarzinhoI once won a round with "xylophone". Nobody believed I could spell it.
For calmer practice, Letter River gives you a clue and you drag across the letters to spell the right word.

PolarzinhoThe otter in Letter River spells everything right. I am working on it.
FAQ
Why does X sound like Z in xylophone?
Most English words that start with X come from Greek, and English speakers say that X as a Z sound.
What animal starts with X?
Very few common ones. The X-ray tetra, a small see-through fish, is a popular answer.
What is a fun word that starts with Z?
Zigzag. It is fun to say and fun to draw.
Your turn
Save this list for your next word game night and invite your friends to play below.

