Which to use
“secure” is an adjective and “secured” is a verb - they look or sound alike but fill different roles in a sentence.
- #2,315
- “secure” frequency rank
- #4,891
- “secured” frequency rank
- 7206
- confusion score
Side-by-Side Comparison
| Feature | secure | secured |
|---|---|---|
| Definition | Free from attack or danger; protected. | simple past and past participle of secure |
Where the eye mixes secure and secured
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Why the eye confuses secure with secured
These two trip readers on the page rather than in the ear: secure is /sɪˈkjʊə(ɹ)/ while secured is /səˈkjʊəd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “secure” sits inside “secured”, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 7206, derived from the frequency rank of both members and their visual similarity.
secure is recorded at frequency rank #2,315, classified as anadj, pronounced /sɪˈkjʊə(ɹ)/. secured is at rank #4,891, tagged as averb, pronounced /səˈkjʊəd/.
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 7206, this pair ranks #508,109 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of secure vs secured
Shared letters: cersu. Private to "secure": -. Private to "secured": d.
"secure" · 6 letters · shape CVCVCV · "secured" · 7 letters · shape CVCVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "secure" for "secured" ever safe?
Which is more common, "secure" or "secured"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "secure" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "secured" - compare definitions side by side with the headword page. Word entry
- This pair ranks #508,109 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "secure" and "secured" also get mixed up with nearby pairs, the highest-scored neighbour is "secure vs segue". 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 #508,109 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.