engvsexTell them apart

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

Which to use

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

#11,885
“eng” frequency rank
#1,633
“ex” frequency rank
13518
confusion score

Side-by-Side Comparison

Feature eng ex
Definition Narrow. The name of the Latin script letter X/x.

Where the eye mixes eng and ex

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

3 ch
eng
2 ch
ex

Visual trap between eng and ex

These two trip readers on the page rather than in the ear: eng is /ɛŋ/ while ex is /ɛks/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 13518, 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/. ex is at rank #1,633, tagged as anoun, pronounced /ɛks/.

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 13518, this pair ranks #475,336 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of eng vs ex

Shared letters: e. Private to "eng": gn. Private to "ex": x.

"eng" · 3 letters · shape VCC  ·  "ex" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "eng" for "ex" ever safe?
No - they are not even the same part of speech. "eng" is an adjective and "ex" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "eng" or "ex"?
"ex" is the more common of the two: it sits at frequency rank #1,633 in our English list, against #11,885 for "eng". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "eng" and "ex" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "eng" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ex" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #475,336 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "eng" and "ex" also get mixed up with nearby pairs, the highest-scored neighbour is "eng vs Eri". Nearby pair

Confusion rank #475,336 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