Which to use
“back” is an adverb and “BAK” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #5,800
- “back” frequency rank
- #37,980
- “BAK” frequency rank
- 43780
- confusion score
Side-by-Side Comparison
| Feature | back | BAK |
|---|---|---|
| Definition | entgegen, zurück, rückwärts | Abkürzung für Blutalkoholkonzentration |
Letter map: back vs BAK
Shared letters muted; letters that set back and BAK apart highlighted. Shared run: 3.
Role in the sentence - back and BAK
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: back is anadverb and BAKanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43780, derived from the frequency rank of both members and their visual similarity.
back is recorded at frequency rank #5,800, classified as anadv, pronounced [bak]. BAK is at rank #37,980, tagged as anabbrev, pronounced […].
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 43780, this pair ranks #1,407,219 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of back vs BAK
Shared letters: abk. Private to "back": c. Private to "BAK": -.
"back" · 4 letters · shape CVCC · "BAK" · 3 letters · shape CVC
Known mistypes of this pair
- back ← abck · bacck · backk · bakc · bback · bcak
Frequently Asked Questions
Can "back" and "BAK" be used interchangeably?
Which is more common, "back" or "BAK"?
Useful next steps
Done with this confusable. These links stay specific to "back" and "BAK".
- Full dictionary entry for "back" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "BAK" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,407,219 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "back" and "BAK" also get mixed up with nearby pairs, the highest-scored neighbour is "BAK vs puzzles". 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 #1,407,219 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.