A word search (also called a word find, word seek or wordsleuth) is a grid of letters with a list of words hidden in it. Solvers look for each word running in a straight line — across, down, diagonally or backwards — and circle it. Making one takes five steps, and the same steps apply whether you use graph paper or a generator.
1. Choose a theme and a word list
Every good word search starts with a theme: a holiday, a science unit, this week's spelling words, the guests at a party. A theme gives solvers a reason to care about the words and gives you a natural limit on how many to include.
For most puzzles, 10 to 20 words is the sweet spot. Fewer than ten and the puzzle is over too quickly; more than twenty-five and it becomes tiring unless the grid is very large. Word length matters too:
- 3–5 letters (CAT, MOON, APPLE) suit beginning readers and small grids.
- 6–9 letters (PUMPKIN, TELESCOPE) are the standard for ages 8 and up.
- 10+ letters (TYRANNOSAURUS) are satisfying to find but need a grid at least that wide.
Watch out for words that hide inside other words. If your list includes both CAT and CATERPILLAR, solvers will find CAT twice and the answer key will be ambiguous. The same goes for reversed words: STAR read backwards contains RAT. Our word search maker warns you when this happens.
2. Decide the grid size
The grid must be at least as wide as your longest word. Beyond that, a useful rule is that about half of the squares should be filler. Add up the letters in all your words and double it: that's roughly how many squares you need. Twenty words averaging seven letters is 140 letters, so you want around 280 squares — a 17 × 17 grid.
| Words | Typical length | Grid size |
|---|---|---|
| 8–10 | 3–5 letters | 8 × 8 to 10 × 10 |
| 12–15 | 5–8 letters | 12 × 12 to 14 × 14 |
| 16–20 | 6–10 letters | 15 × 15 to 17 × 17 |
| 25–40 | 6–12 letters | 20 × 20 to 25 × 25 |
Smaller grids print with bigger letters, which is why large print puzzles for seniors use 12 × 12 or less.
3. Place the words
Start with the longest words, because they have the fewest places they can go. Decide which directions you will allow before you start — this is the single biggest factor in difficulty (see our guide to word search difficulty levels).
- Easy puzzles use only left to right and top to bottom.
- Medium puzzles add diagonals going down and up.
- Hard puzzles allow all eight directions, including backwards.
Let words cross where they share a letter — the R in CHERRY can also be the R in GRAPE. Crossings make the grid denser and harder to scan, and they look much more professional than words sitting in separate corners. Try to spread words across the whole grid and use every allowed direction at least once, otherwise solvers quickly learn that "everything is horizontal".
4. Fill the gaps
Once every word is placed, fill each empty square with a letter. Two details separate a good fill from a lazy one:
- Use realistic letter frequencies. If you pick letters uniformly, the grid will have as many Qs and Zs as Es, and any word containing E will stand out. Weight common letters (E, T, A, O, I, N) more heavily.
- Check for accidents. Random letters occasionally spell one of your words a second time, or a word you would rather not have in a children's puzzle. Scan the filled grid in all eight directions and change a filler letter if it does.
For an extra-hard puzzle, fill the gaps with letters taken from your own word list. Solvers then hit false starts everywhere — the "decoy" technique used by our Expert level.
5. Make the answer key
Copy the finished grid and circle or highlight every word. Print the answer key on a separate page so you can hand out the puzzle on its own. Teachers often keep a stack of keys for self-checking stations; party hosts need one to settle arguments about who finished first.
By hand or with a generator?
Making a word search on graph paper is a lovely activity for older children — designing a puzzle for a friend involves planning, spelling and a surprising amount of logic. For anything you need quickly, or in several difficulty versions, a generator does all five steps in a fraction of a second. Our free maker places long words first, lets words cross, weights filler letters by English frequency, removes accidental duplicates and rude words, and prints the puzzle and answer key on separate pages.
Whichever way you make it, test-solve it once before you print thirty copies. If you can't find a word in a minute or two, your solvers won't either — move it, or make the grid a little smaller.
Quick checklist
- One theme, 10–20 words, no word hidden inside another.
- Grid at least as wide as the longest word, about half filler.
- Directions chosen to match the solver's age.
- Long words placed first, with some crossings.
- Realistic filler, checked for duplicates.
- Answer key on its own page.