eelvsexTell them apart

Which to use

“eel” and “ex” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#21,505
“eel” frequency rank
#1,633
“ex” frequency rank
23138
confusion score

Side-by-Side Comparison

Feature eel ex
Definition Any freshwater fish of the order Anguilliformes, which are elongated and resemble snakes. The name of the Latin script letter X/x.

Where the eye mixes eel and ex

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

3 ch
eel
2 ch
ex

Visual trap between eel and ex

A purely visual mix-up. eel (/iːl/) and ex (/ɛks/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 23138, derived from the frequency rank of both members and their visual similarity.

eel is recorded at frequency rank #21,505, classified as anoun, pronounced /iːl/. 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 23138, this pair ranks #411,481 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of eel vs ex

Shared letters: e. Private to "eel": l. Private to "ex": x.

"eel" · 3 letters · shape VVC  ·  "ex" · 2 letters · shape VC

Frequently Asked Questions

Can "eel" and "ex" be used interchangeably?
No. They are said differently (/iːl/ versus /ɛks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "eel" vs "ex" - which ranks higher?
"ex" is the more common of the two: it sits at frequency rank #1,633 in our English list, against #21,505 for "eel". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "eel" 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 #411,481 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "eel" and "ex" also get mixed up with nearby pairs, the highest-scored neighbour is "eel vs Eri". Nearby pair

Confusion rank #411,481 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