Which to use
“rebellion” is a noun and “rebellious” is an adjective - they look or sound alike but fill different roles in a sentence.
- #7,837
- “rebellion” frequency rank
- #18,172
- “rebellious” frequency rank
- 26009
- confusion score
Side-by-Side Comparison
| Feature | rebellion | rebellious |
|---|---|---|
| Definition | Armed resistance to an established government or ruler. | Showing rebellion. |
Where the eye mixes rebellion and rebellious
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. rebellion runs 9 letters (CVCVCCVVC) against rebellious's 10 (CVCVCCVVVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses rebellion with rebellious
These two trip readers on the page rather than in the ear: rebellion is /ɹɪˈbɛl.i.ən/ while rebellious is /ɹəˈbɛliəs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 26009, derived from the frequency rank of both members and their visual similarity.
rebellion is recorded at frequency rank #7,837, classified as anoun, pronounced /ɹɪˈbɛl.i.ən/. rebellious is at rank #18,172, tagged as anadj, pronounced /ɹəˈbɛliəs/.
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 26009, this pair ranks #389,915 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rebellion vs rebellious
Shared letters: beilor. Private to "rebellion": n. Private to "rebellious": su.
"rebellion" · 9 letters · shape CVCVCCVVC · "rebellious" · 10 letters · shape CVCVCCVVVC
Known mistypes of this pair
- rebellion ← erbellion · rbeellion · rebbellion · rebelilon · rebelion · rebellino · rebellionn · rebelloin
- rebellious ← erbellious · rbeellious · rebbellious · rebelilous · rebelious · rebelliosu · rebelliouss · rebelliuos
Frequently Asked Questions
Is swapping "rebellion" for "rebellious" ever safe?
Which is more common, "rebellion" or "rebellious"?
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 "rebellion" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rebellious" - compare definitions side by side with the headword page. Word entry
- This pair ranks #389,915 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "rebellion" and "rebellious" also get mixed up with nearby pairs, the highest-scored neighbour is "rebelling vs rebellion". 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 #389,915 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.