Which to use
“effected” is a verb and “expected” is an adjective - they look or sound alike but fill different roles in a sentence.
- #19,321
- “effected” frequency rank
- #1,166
- “expected” frequency rank
- 20487
- confusion score
Side-by-Side Comparison
| Feature | effected | expected |
|---|---|---|
| Definition | simple past and past participle of effect | Anticipated; thought to be about to arrive or occur. |
Where the eye mixes effected and expected
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: effected vs expected
These two trip readers on the page rather than in the ear: effected is /ɪˈfɛktɪd/ while expected is /ɪkˈspɛk.tɪd/. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 20487, 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/. expected is at rank #1,166, tagged as anadj, pronounced /ɪkˈspɛk.tɪd/.
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 20487, this pair ranks #430,741 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of effected vs expected
Shared letters: cdet. Private to "effected": f. Private to "expected": px.
"effected" · 8 letters · shape VCCVCCVC · "expected" · 8 letters · shape VCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "effected" and "expected" be used interchangeably?
Which is more common, "effected" or "expected"?
What to do next
Eye-level mix-up between "effected" and "expected" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "effected" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "expected" - compare definitions side by side with the headword page. Word entry
- This pair ranks #430,741 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "effected" and "expected" also get mixed up with nearby pairs, the highest-scored neighbour is "effected vs effector". 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 #430,741 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.