X Words for Kids

The letter X is one of the least common letters in English. It usually makes a “ks” sound at the end of words like box and fox, but can sound like “z” at the beginning of words like xylophone. This collection of X words for kids includes common words and interesting X vocabulary organized by grade level.

X Sight Words – Dolch List

X does not appear in the Dolch sight word list, which reflects how uncommon this letter is in everyday English words.

X Sight Words – Fry List

First 100	Second 100	Third 100	Fourth 100	Fifth 100
—	—	—	example	except experience explain

First 100

—

Second 100

—

Third 100

—

Fourth 100

example

Fifth 100

except, experience, explain

📝 Browse Sight Words Worksheets

Words Ending in X

Most X words have X at the end, making the “ks” sound. These are organized by vowel pattern.

Short A + X

ax fax max tax wax relax

Short E + X

ex hex rex vex flex next text

Short I + X

fix mix six prefix suffix

Short O + X

box fox ox pox inbox mailbox

Short U + X

lux tux flux crux

Words Beginning with X

Very few English words start with X. When X is at the beginning, it usually sounds like “z”.

X = “Z” Sound

xylophone xenon xerox x-ray

Words with X in the Middle

Some common words have X in the middle, usually making the “ks” sound.

Middle X Words

axle boxer exam exact example excellent except exchange excite excuse exercise exist exit expect expensive experience experiment expert explain explore express extra extreme foxes mixer nexus oxygen pixel taxicab texture toxic

X Words for Kids by Grade Level

Pre-K & Kindergarten

Ages 3-6

First X Words: ax, box, fox, mix, ox, six, wax, x-ray
First Nouns: ax, box, fox, ox, x-ray, xylophone

1st & 2nd Grade

Ages 6-8

Common Words: ax, box, fax, fix, fox, max, mix, next, ox, six, tax, text, wax
Compound Words: inbox, mailbox

3rd Grade & Above

Ages 8+

Sight Words: example, except, experience, explain
EX- Words: exam, exact, example, excellent, except, exchange, excite, excuse, exercise, exist, exit, expect, expensive, experience, experiment, expert, explain, explore, express, extra, extreme
Advanced Words: flex, hex, vex, relax, prefix, suffix, flux, crux, axle, oxygen, pixel, texture, toxic