Which to use
“contagious” and “contiguous” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,312
- “contagious” frequency rank
- #23,221
- “contiguous” frequency rank
- 36533
- confusion score
Side-by-Side Comparison
| Feature | contagious | contiguous |
|---|---|---|
| Definition | Easily transmitted to others. | Connected; touching; abutting. |
Where the eye mixes contagious and contiguous
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.
Look-alike desk: contagious vs contiguous
A purely visual mix-up. contagious (/kənˈteɪdʒəs/) and contiguous (/kənˈtɪɡ.ju.əs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 36533, derived from the frequency rank of both members and their visual similarity.
contagious is recorded at frequency rank #13,312, classified as anadj, pronounced /kənˈteɪdʒəs/. contiguous is at rank #23,221, tagged as anadj, pronounced /kənˈtɪɡ.ju.əs/.
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 36533, this pair ranks #302,375 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of contagious vs contiguous
Shared letters: cginostu. Private to "contagious": a. Private to "contiguous": -.
"contagious" · 10 letters · shape CVCCVCVVVC · "contiguous" · 10 letters · shape CVCCVCVVVC
Known mistypes of this pair
- contagious ← ccontagious · cnotagious · conatgious · conntagious · contaggious · contagiosu · contagiouss · contagiuos
- contiguous ← ccontiguous · cnotiguous · conitguous · conntiguous · contgiuous · contigguous · contigouus · contiguosu
Frequently Asked Questions
Can "contagious" and "contiguous" be used interchangeably?
In ordinary English text, does "contagious" or "contiguous" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "contagious" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "contiguous" - compare definitions side by side with the headword page. Word entry
- This pair ranks #302,375 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "contagious" and "contiguous" also get mixed up with nearby pairs, the highest-scored neighbour is "contagion vs contagious". 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 #302,375 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.