exit vs exon, What's the Difference?

Which to use

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

#3,943
“exit” frequency rank: #49,909
“exon” frequency rank: 53852
confusion score

Side-by-Side Comparison

Feature	exit	exon
Definition	An act of going out or going away, or leaving; a departure.	An officer of the King's Body Guard of the Yeomen of the Guard.

Letter map: exit vs exon

Shared letters muted; letters that set exit and exon apart highlighted. Shared run: 2.

4 ch

exit

4 ch

exon

Pair insight - exit / exon

exit and exon are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 53852, derived from the frequency rank of both members and their visual similarity.

exit is recorded at frequency rank #3,943, classified as anoun, pronounced /ˈɛksɪt/. exon is at rank #49,909, tagged as anoun.

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 53852, this pair ranks #145,660 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of exit vs exon

Shared letters: ex. Private to "exit": it. Private to "exon": no.

"exit" · 4 letters · shape VCVC · "exon" · 4 letters · shape VCVC

Known mistypes of this pair

exit ← eixt · exitt · exti · exxit · xeit
exon ← eoxn · exno · exonn · xeon

Frequently Asked Questions

Do "exit" and "exon" mean the same thing in a sentence?

No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "exit" vs "exon" - which ranks higher?

"exit" is the more common of the two: it sits at frequency rank #3,943 in our English list, against #49,909 for "exon". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "exit" vs "exon" is on the table, pick a follow-up below.

Full dictionary entry for "exit" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "exon" - compare definitions side by side with the headword page. Word entry
This pair ranks #145,660 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"exit" and "exon" also get mixed up with nearby pairs, the highest-scored neighbour is "Enos vs exon". 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 #145,660 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.