Which to use
“PAC” and “pacts” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,954
- “PAC” frequency rank
- #46,675
- “pacts” frequency rank
- 54629
- confusion score
Side-by-Side Comparison
| Feature | PAC | pacts |
|---|---|---|
| Definition | Initialism of programmable automation controller. | plural of pact |
Where the eye mixes PAC and pacts
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: PAC vs pacts
A purely visual mix-up. PAC (/pæk/) and pacts (/pækts/) 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 2 extra letter(s) - “PAC” sits inside “pacts”. Our composite confusion score for this pair is 54629, derived from the frequency rank of both members and their visual similarity.
PAC is recorded at frequency rank #7,954, classified as anoun, pronounced /pæk/. pacts is at rank #46,675, tagged as anoun, pronounced /pækts/.
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 54629, this pair ranks #139,620 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of PAC vs pacts
Shared letters: acp. Private to "PAC": -. Private to "pacts": st.
"PAC" · 3 letters · shape CVC · "pacts" · 5 letters · shape CVCCC
Known mistypes of this pair
- pacts ← apcts · paccts · pacst · pactss · pactts · patcs · pcats · ppacts
Frequently Asked Questions
Is swapping "PAC" for "pacts" ever safe?
Which is more common, "PAC" or "pacts"?
What to do next
Eye-level mix-up between "PAC" and "pacts" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "PAC" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pacts" - compare definitions side by side with the headword page. Word entry
- This pair ranks #139,620 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "PAC" and "pacts" also get mixed up with nearby pairs, the highest-scored neighbour is "pacts vs pecs". 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 #139,620 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.