Which to use
“effector” and “effects” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,439
- “effector” frequency rank
- #1,364
- “effects” frequency rank
- 47803
- confusion score
Side-by-Side Comparison
| Feature | effector | effects |
|---|---|---|
| Definition | Any muscle, organ etc. that can respond to a stimulus from a nerve. | plural of effect |
Letter map: effector vs effects
Shared letters muted; letters that set effector and effects apart highlighted. Shared run: 6.
Pair insight - effector / effects
effector and effects are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47803, derived from the frequency rank of both members and their visual similarity.
effector is recorded at frequency rank #46,439, classified as anoun. effects is at rank #1,364, tagged as anoun, pronounced /ɪˈfɛkts/.
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 47803, this pair ranks #199,060 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of effector vs effects
Shared letters: ceft. Private to "effector": or. Private to "effects": s.
"effector" · 8 letters · shape VCCVCCVC · "effects" · 7 letters · shape VCCVCCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "effector" for "effects" ever safe?
In ordinary English text, does "effector" or "effects" show up more?
Useful next steps
Done with this confusable. These links stay specific to "effector" and "effects".
- Full dictionary entry for "effector" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "effects" - compare definitions side by side with the headword page. Word entry
- This pair ranks #199,060 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "effector" and "effects" 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 #199,060 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.