Which to use
“colouring” and “contouring” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #21,754
- “colouring” frequency rank
- #44,135
- “contouring” frequency rank
- 65889
- confusion score
Side-by-Side Comparison
| Feature | colouring | contouring |
|---|---|---|
| Definition | Alternative spelling of coloring. | the construction of contour lines through a matrix of points each having a known value of some variable |
Letter map: colouring vs contouring
Shared letters muted; letters that set colouring and contouring apart highlighted. Shared run: 8.
Pair insight - colouring / contouring
colouring and contouring are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65889, derived from the frequency rank of both members and their visual similarity.
colouring is recorded at frequency rank #21,754, classified as anoun. contouring is at rank #44,135, tagged as anoun.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 65889, this pair ranks #70,583 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of colouring vs contouring
Shared letters: cginoru. Private to "colouring": l. Private to "contouring": t.
"colouring" · 9 letters · shape CVCVVCVCC · "contouring" · 10 letters · shape CVCCVVCVCC
Known mistypes of this pair
- colouring ← ccolouring · cloouring · collouring · coloruing · colouirng · colourign · colouringg · colourinng
- contouring ← ccontouring · cnotouring · conntouring · conoturing · contoruing · contouirng · contourign · contouringg
Frequently Asked Questions
Is swapping "colouring" for "contouring" ever safe?
Which is more common, "colouring" or "contouring"?
After this comparison
Pair "colouring" vs "contouring" is on the table, pick a follow-up below.
- Full dictionary entry for "colouring" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "contouring" - compare definitions side by side with the headword page. Word entry
- This pair ranks #70,583 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "colouring" and "contouring" also get mixed up with nearby pairs, the highest-scored neighbour is "conjuring vs contouring". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #70,583 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.