declarationvsdeclarativeTell them apart

Quick tell: declaration is a noun, declarative is an adjective, so they fill different roles in a sentence.

Which to use

“declaration” is a noun and “declarative” is an adjective - they look or sound alike but fill different roles in a sentence.

#6,041
“declaration” frequency rank
#45,320
“declarative” frequency rank
51361
confusion score

Side-by-Side Comparison

Feature declaration declarative
Definition An emphatic or formal act of saying, telling or asserting something, by speech or writing; a decisive assertion or proclamation. Serving to declare; having the quality of a declaration.

Where the eye mixes declaration and declarative

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

11 ch
declaration
11 ch
declarative

Look-alike desk: declaration vs declarative

These two trip readers on the page rather than in the ear: declaration is /ˌdɛk.ləˈɹeɪ.ʃən/ while declarative is /dɪˈklæɹ.ə.tɪv/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 51361, derived from the frequency rank of both members and their visual similarity.

declaration is recorded at frequency rank #6,041, classified as anoun, pronounced /ˌdɛk.ləˈɹeɪ.ʃən/. declarative is at rank #45,320, tagged as anadj, pronounced /dɪˈklæɹ.ə.tɪv/.

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 51361, this pair ranks #166,139 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of declaration vs declarative

Shared letters: acdeilrt. Private to "declaration": no. Private to "declarative": v.

"declaration" · 11 letters · shape CVCCVCVCVVC  ·  "declarative" · 11 letters · shape CVCCVCVCVCV

Known mistypes of this pair

  • declarationdcelaration · ddeclaration · decalration · decclaration · declaartion · declaraiton · declarasion · declaratino
  • declarativedcelarative · ddeclarative · decalrative · decclarative · declaartive · declaraitve · declaratiev · declarativve

Frequently Asked Questions

Is swapping "declaration" for "declarative" ever safe?
No - they are not even the same part of speech. "declaration" is a noun and "declarative" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "declaration" or "declarative"?
"declaration" is the more common of the two: it sits at frequency rank #6,041 in our English list, against #45,320 for "declarative". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "declaration" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "declarative" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #166,139 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "declaration" and "declarative" also get mixed up with nearby pairs, the highest-scored neighbour is "declarative vs decorative". 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 #166,139 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