engvsetaWhich spelling fits?

Quick tell: eng is a adjective, eta is a noun, so they fill different roles in a sentence.

Which to use

“eng” is an adjective and “eta” is a noun - they look or sound alike but fill different roles in a sentence.

#11,885
“eng” frequency rank
#17,836
“eta” frequency rank
29721
confusion score

Side-by-Side Comparison

Feature eng eta
Definition Narrow. The seventh letter of the Modern Greek alphabet, the eighth in Old Greek.

Where the eye mixes eng and eta

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
eng
3 ch
eta

Visual trap between eng and eta

These two trip readers on the page rather than in the ear: eng is /ɛŋ/ while eta is /ˈiːtə/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 29721, 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/. eta is at rank #17,836, tagged as anoun, pronounced /ˈiːtə/.

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 29721, this pair ranks #360,614 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of eng vs eta

Shared letters: e. Private to "eng": gn. Private to "eta": at.

"eng" · 3 letters · shape VCC  ·  "eta" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "eng" for "eta" ever safe?
No - they are not even the same part of speech. "eng" is an adjective and "eta" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "eng" or "eta" show up more?
"eng" is the more common of the two: it sits at frequency rank #11,885 in our English list, against #17,836 for "eta". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "eng" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "eta" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #360,614 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "eng" and "eta" also get mixed up with nearby pairs, the highest-scored neighbour is "Eri vs eta". Nearby pair

Confusion rank #360,614 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