developedvsdeveloperTell them apart

Quick tell: developed is a adjective, developer is a noun, so they fill different roles in a sentence.

Which to use

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

#1,183
“developed” frequency rank
#5,120
“developer” frequency rank
6303
confusion score

Side-by-Side Comparison

Feature developed developer
Definition wealthy and industrialized; not third-world. A person or entity engaged in the creation or improvement of certain classes of products.

Where the eye mixes developed and developer

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

9 ch
developed
9 ch
developer

Why the eye confuses developed with developer

These two trip readers on the page rather than in the ear: developed is /dɪˈvɛləpt/ while developer is /dɪˈvɛləpə(ɹ)/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “developed” becomes r in “developer”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 6303, derived from the frequency rank of both members and their visual similarity.

developed is recorded at frequency rank #1,183, classified as anadj, pronounced /dɪˈvɛləpt/. developer is at rank #5,120, tagged as anoun, pronounced /dɪˈvɛləpə(ɹ)/.

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 6303, this pair ranks #511,960 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of developed vs developer

Shared letters: delopv. Private to "developed": -. Private to "developer": r.

"developed" · 9 letters · shape CVCVCVCVC  ·  "developer" · 9 letters · shape CVCVCVCVC

Known mistypes of this pair

  • developedddeveloped · deevloped · develloped · develoepd · developde · developedd · developped · develpoed
  • developerddeveloper · deevloper · develloper · develoepr · developerr · developper · developre · develpoer

Frequently Asked Questions

Can "developed" and "developer" be used interchangeably?
No - they are not even the same part of speech. "developed" is an adjective and "developer" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "developed" or "developer"?
"developed" is the more common of the two: it sits at frequency rank #1,183 in our English list, against #5,120 for "developer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "developed" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "developer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #511,960 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "developed" and "developer" also get mixed up with nearby pairs, the highest-scored neighbour is "developer vs developers". 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 #511,960 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