securevssevereTell them apart

Which to use

“secure” and “severe” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,315
“secure” frequency rank
#2,701
“severe” frequency rank
5016
confusion score

Side-by-Side Comparison

Feature secure severe
Definition Free from attack or danger; protected. Very bad or intense.

Where the eye mixes secure and severe

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
secure
6 ch
severe

Visual trap between secure and severe

A purely visual mix-up. secure (/sɪˈkjʊə(ɹ)/) and severe (/sɪˈvɪə/) 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 5016, 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)/. severe is at rank #2,701, tagged as anadj, pronounced /sɪˈvɪə/.

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 5016, this pair ranks #516,874 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of secure vs severe

Shared letters: ers. Private to "secure": cu. Private to "severe": v.

"secure" · 6 letters · shape CVCVCV  ·  "severe" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • secureescure · sceure · seccure · secrue · secuer · securre · seucre · ssecure
  • severeesvere · seevre · seveer · severre · sevree · sevvere · ssevere · sveere

Frequently Asked Questions

Can "secure" and "severe" be used interchangeably?
No. They are said differently (/sɪˈkjʊə(ɹ)/ versus /sɪˈvɪə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "secure" vs "severe" - which ranks higher?
"secure" is the more common of the two: it sits at frequency rank #2,315 in our English list, against #2,701 for "severe". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "secure" and "severe" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "secure" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "severe" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #516,874 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "secure" and "severe" 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 #516,874 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list