Which to use
“ed” and “erg” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,691
- “ed” frequency rank
- #48,222
- “erg” frequency rank
- 49913
- confusion score
Side-by-Side Comparison
| Feature | ed | erg |
|---|---|---|
| Definition | edition | A unit of work or energy, being the amount of work done by a force of one dyne applied through a distance of one centimeter. Equal to 10⁻⁷ joules. |
Where the eye mixes ed and erg
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses ed with erg
A purely visual mix-up. ed (/ɛd/) and erg (/ɜːɡ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49913, derived from the frequency rank of both members and their visual similarity.
ed is recorded at frequency rank #1,691, classified as anoun, pronounced /ɛd/. erg is at rank #48,222, tagged as anoun, pronounced /ɜːɡ/.
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 49913, this pair ranks #179,113 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ed vs erg
Shared letters: e. Private to "ed": d. Private to "erg": gr.
"ed" · 2 letters · shape VC · "erg" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "ed" for "erg" ever safe?
In ordinary English text, does "ed" or "erg" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ed" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "erg" - compare definitions side by side with the headword page. Word entry
- This pair ranks #179,113 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ed" and "erg" also get mixed up with nearby pairs, the highest-scored neighbour is "erg vs Eri". Nearby pair
Confusion rank #179,113 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.