pacervspackConfusable pair

Which to use

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

#41,297
“pacer” frequency rank
#2,224
“pack” frequency rank
43521
confusion score

Side-by-Side Comparison

Feature pacer pack
Definition One who paces. A bundle made up and prepared to be carried; especially, a bundle to be carried on the back, but also a load for an animal, a bale.

Letter map: pacer vs pack

Shared letters muted; letters that set pacer and pack apart highlighted. Shared run: 3.

5 ch
pacer
4 ch
pack

Spelling & dictionary notes on pacer vs pack

pacer and pack 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 43521, derived from the frequency rank of both members and their visual similarity.

pacer is recorded at frequency rank #41,297, classified as anoun. pack is at rank #2,224, tagged as anoun, pronounced /pæk/.

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 43521, this pair ranks #239,237 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pacer vs pack

Shared letters: acp. Private to "pacer": er. Private to "pack": k.

"pacer" · 5 letters · shape CVCVC  ·  "pack" · 4 letters · shape CVCC

Known mistypes of this pair

  • pacerapcer · paccer · pacerr · pacre · paecr · pcaer · ppacer
  • packapck · pacck · packk · pakc · pcak · ppack

Frequently Asked Questions

Is swapping "pacer" for "pack" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "pacer" vs "pack" - which ranks higher?
"pack" is the more common of the two: it sits at frequency rank #2,224 in our English list, against #41,297 for "pacer". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "pacer" and "pack".

  • Full dictionary entry for "pacer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pack" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #239,237 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pacer" and "pack" also get mixed up with nearby pairs, the highest-scored neighbour is "pacer vs poacher". 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 #239,237 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