ErcvseyreWhich spelling fits?

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

Which to use

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

#43,630
“Erc” frequency rank
#24,442
“eyre” frequency rank
68072
confusion score

Side-by-Side Comparison

Feature Erc eyre
Definition A member of the conspiracy that killed Cúchulainn, but was killed by his second cousin Conall the Victorious. Son of Cairbre Nia Fer and brother of Achall. A journey taken by certain Medieval English itinerant judges (justices in eyre)

Letter map: Erc vs eyre

Shared letters muted; letters that set Erc and eyre apart highlighted. Shared run: 2.

3 ch
Erc
4 ch
eyre

Role in the sentence - Erc and eyre

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Erc is aname and eyreanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 68072, derived from the frequency rank of both members and their visual similarity.

Erc is recorded at frequency rank #43,630, classified as aname. eyre is at rank #24,442, tagged as anoun, pronounced /ɛəɹ/.

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 68072, this pair ranks #60,538 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Erc vs eyre

Shared letters: er. Private to "Erc": c. Private to "eyre": y.

"Erc" · 3 letters · shape VCC  ·  "eyre" · 4 letters · shape VVCV

Known mistypes of this pair

  • eyreerye · eyer · eyrre · eyyre · yere

Frequently Asked Questions

Do "Erc" and "eyre" mean the same thing in a sentence?
No - they are not even the same part of speech. "Erc" is a name and "eyre" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Erc" or "eyre"?
"eyre" is the more common of the two: it sits at frequency rank #24,442 in our English list, against #43,630 for "Erc". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "Erc" and "eyre".

  • Full dictionary entry for "Erc" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "eyre" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,538 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Erc" and "eyre" also get mixed up with nearby pairs, the highest-scored neighbour is "Erc vs Eri". 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 #60,538 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