Which to use
“prior” and “prog” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,493
- “prior” frequency rank
- #23,952
- “prog” frequency rank
- 25445
- confusion score
Side-by-Side Comparison
| Feature | prior | prog |
|---|---|---|
| Definition | Coming before in order or time; earlier, former, previous. | Abbreviation of progressive. |
Where the eye mixes prior and prog
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between prior and prog
A purely visual mix-up. prior (/ˈpɹaɪ.ə/) and prog (/pɹɒɡ/) 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 25445, derived from the frequency rank of both members and their visual similarity.
prior is recorded at frequency rank #1,493, classified as anadj, pronounced /ˈpɹaɪ.ə/. prog is at rank #23,952, tagged as anadj, pronounced /pɹɒɡ/.
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 25445, this pair ranks #394,217 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prior vs prog
Shared letters: opr. Private to "prior": i. Private to "prog": g.
"prior" · 5 letters · shape CCVVC · "prog" · 4 letters · shape CCVC
Known mistypes of this pair
Frequently Asked Questions
Can "prior" and "prog" be used interchangeably?
Frequency check: "prior" vs "prog" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "prior" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prog" - compare definitions side by side with the headword page. Word entry
- This pair ranks #394,217 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "prior" and "prog" also get mixed up with nearby pairs, the highest-scored neighbour is "poon vs prog". 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 #394,217 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.