Which to use
“effected” is a verb and “effector” is a noun - they look or sound alike but fill different roles in a sentence.
- #19,321
- “effected” frequency rank
- #46,439
- “effector” frequency rank
- 65760
- confusion score
Side-by-Side Comparison
| Feature | effected | effector |
|---|---|---|
| Definition | simple past and past participle of effect | Any muscle, organ etc. that can respond to a stimulus from a nerve. |
Letter map: effected vs effector
Shared letters muted; letters that set effected and effector apart highlighted. Shared run: 6.
Grammar separator: effected vs effector
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: effected is averb and effectoranoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 65760, derived from the frequency rank of both members and their visual similarity.
effected is recorded at frequency rank #19,321, classified as averb, pronounced /ɪˈfɛktɪd/. effector is at rank #46,439, tagged as anoun.
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 65760, this pair ranks #71,233 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of effected vs effector
Shared letters: ceft. Private to "effected": d. Private to "effector": or.
"effected" · 8 letters · shape VCCVCCVC · "effector" · 8 letters · shape VCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "effected" and "effector" be used interchangeably?
Frequency check: "effected" vs "effector" - which ranks higher?
After this comparison
Done with this confusable. These links stay specific to "effected" and "effector".
- Full dictionary entry for "effected" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "effector" - compare definitions side by side with the headword page. Word entry
- This pair ranks #71,233 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "effected" and "effector" also get mixed up with nearby pairs, the highest-scored neighbour is "effector vs elector". 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 #71,233 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.