declarevsdecliveWhich spelling fits?

Quick tell: declare is a verb, declive is an adjective, so they fill different roles in a sentence.

Which to use

“declare” is a verb and “declive” is an adjective - they look or sound alike but fill different roles in a sentence.

#30,496
“declare” frequency rank
#39,551
“declive” frequency rank
70047
confusion score

Side-by-Side Comparison

Feature declare declive
Definition declarar que é inclinado

Where the eye mixes declare and declive

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
declare
7 ch
declive

Why the eye confuses declare with declive

These two trip readers on the page rather than in the ear: declare is /dɪˈklɛː/ while declive is /dɨ.ˈkli.vɨ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 70047, derived from the frequency rank of both members and their visual similarity.

declare is recorded at frequency rank #30,496, classified as averb, pronounced /dɪˈklɛː/. declive is at rank #39,551, tagged as anadj, pronounced /dɨ.ˈkli.vɨ/.

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 70047, this pair ranks #3,754 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of declare vs declive

Shared letters: cdel. Private to "declare": ar. Private to "declive": iv.

"declare" · 7 letters · shape CVCCVCV  ·  "declive" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • declaredcelare · ddeclare · decalre · decclare · declaer · declarre · decllare · declrae
  • declivedcelive · ddeclive · decclive · decilve · decliev · declivve · decllive · declvie

Frequently Asked Questions

Is swapping "declare" for "declive" ever safe?
No - they are not even the same part of speech. "declare" is a verb and "declive" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "declare" or "declive"?
"declare" is the more common of the two: it sits at frequency rank #30,496 in our Portuguese list, against #39,551 for "declive". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "declare" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "declive" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,754 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "declare" and "declive" also get mixed up with nearby pairs, the highest-scored neighbour is "decade vs declare". 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 #3,754 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list