Which to use
“development” is a noun and “developmental” is an adjective - they look or sound alike but fill different roles in a sentence.
- #488
- “development” frequency rank
- #9,874
- “developmental” frequency rank
- 10362
- confusion score
Side-by-Side Comparison
| Feature | development | developmental |
|---|---|---|
| Definition | The process of developing; growth, directed change. | Related to development. |
Where the eye mixes development and developmental
Muted = shared; highlighted = the visual trap. They share 11 letters in sequence.
Visual trap between development and developmental
These two trip readers on the page rather than in the ear: development is /dɪˈvɛl.əp.mənt/ while developmental is /dɪˌvɛləpˈmɛntəl/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “development” sits inside “developmental”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 10362, derived from the frequency rank of both members and their visual similarity.
development is recorded at frequency rank #488, classified as anoun, pronounced /dɪˈvɛl.əp.mənt/. developmental is at rank #9,874, tagged as anadj, pronounced /dɪˌvɛləpˈmɛntəl/.
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 10362, this pair ranks #492,727 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of development vs developmental
Shared letters: delmnoptv. Private to "development": -. Private to "developmental": a.
"development" · 11 letters · shape CVCVCVCCVCC · "developmental" · 13 letters · shape CVCVCVCCVCCVC
Known mistypes of this pair
- development ← ddevelopment · deevlopment · devellopment · develompent · developemnt · developmennt · developmentt · developmetn
- developmental ← ddevelopmental · deevlopmental · devellopmental · develompental · developemntal · developmenatl · developmenntal · developmentall
Frequently Asked Questions
Can "development" and "developmental" be used interchangeably?
Which is more common, "development" or "developmental"?
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 "development" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "developmental" - compare definitions side by side with the headword page. Word entry
- This pair ranks #492,727 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "development" and "developmental" also get mixed up with nearby pairs, the highest-scored neighbour is "developmental vs developmentally". 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 #492,727 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.