EisvsergWhich spelling fits?

Quick tell: Eis is a name, erg is a noun, so they fill different roles in a sentence.

Which to use

“Eis” is a name and “erg” is a noun - they look or sound alike but fill different roles in a sentence.

#37,435
“Eis” frequency rank
#48,222
“erg” frequency rank
85657
confusion score

Side-by-Side Comparison

Feature Eis erg
Definition A surname from German. 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.

Letter map: Eis vs erg

Shared letters muted; letters that set Eis and erg apart highlighted. Shared run: 1. Eis (VVC) and erg (VCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
Eis
3 ch
erg

Role in the sentence - Eis and erg

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Eis is aname and erganoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 85657, derived from the frequency rank of both members and their visual similarity.

Eis is recorded at frequency rank #37,435, classified as aname. 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 85657, this pair ranks #10,038 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Eis vs erg

Shared letters: e. Private to "Eis": is. Private to "erg": gr.

"Eis" · 3 letters · shape VVC  ·  "erg" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "Eis" for "erg" ever safe?
No - they are not even the same part of speech. "Eis" is a name and "erg" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Eis" or "erg" show up more?
"Eis" is the more common of the two: it sits at frequency rank #37,435 in our English list, against #48,222 for "erg". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "Eis" and "erg".

  • Full dictionary entry for "Eis" 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 #10,038 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Eis" and "erg" also get mixed up with nearby pairs, the highest-scored neighbour is "erg vs Eri". Nearby pair

Confusion rank #10,038 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list