Which to use
“eng” is an adjective and “erg” is a noun - they look or sound alike but fill different roles in a sentence.
- #11,885
- “eng” frequency rank
- #48,222
- “erg” frequency rank
- 60107
- confusion score
Side-by-Side Comparison
| Feature | eng | erg |
|---|---|---|
| Definition | Narrow. | 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 spellings diverge
Shared letters are muted; the letters that actually set eng and erg apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: eng is /ɛŋ/ while erg is /ɜːɡ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - n in “eng” becomes r in “erg”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 60107, derived from the frequency rank of both members and their visual similarity.
eng is recorded at frequency rank #11,885, classified as anadj, pronounced /ɛŋ/. 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 60107, this pair ranks #102,146 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of eng vs erg
Shared letters: eg. Private to "eng": n. Private to "erg": r.
"eng" · 3 letters · shape VCC · "erg" · 3 letters · shape VCC
Frequency comparison
Frequently Asked Questions
Can "eng" and "erg" be used interchangeably?
Which is more common, "eng" or "erg"?
Remembering eng vs erg
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “eng”; for a noun, it's “erg”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “eng” entry
- Browse more pairs most likely to be confused. Most confusable