Which to use
“Sack” is a noun and “STK” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #4,301
- “Sack” frequency rank
- #42,155
- “STK” frequency rank
- 46456
- confusion score
Side-by-Side Comparison
| Feature | Sack | STK |
|---|---|---|
| Definition | Transport- und Aufbewahrungsbehältnis aus grobem Stoff^([1], [2]) oder anderem robustem Material | Stanice Technické Kontroly |
Where the eye mixes Sack and STK
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses Sack with STK
These two trip readers on the page rather than in the ear: Sack is [zak] while STK is [ɛs.tɛː.kaː]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 46456, derived from the frequency rank of both members and their visual similarity.
Sack is recorded at frequency rank #4,301, classified as anoun, pronounced [zak]. STK is at rank #42,155, tagged as anabbrev, pronounced [ɛs.tɛː.kaː].
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 46456, this pair ranks #1,318,535 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Sack vs STK
Shared letters: ks. Private to "Sack": ac. Private to "STK": t.
"Sack" · 4 letters · shape CVCC · "STK" · 3 letters · shape CCC
Known mistypes of this pair
- Sack ← asck · sacck · sackk · sakc · scak · ssack
Frequently Asked Questions
Can "Sack" and "STK" be used interchangeably?
Frequency check: "Sack" vs "STK" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "Sack" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "STK" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,318,535 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Sack" and "STK" also get mixed up with nearby pairs, the highest-scored neighbour is "seg vs STK". 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 #1,318,535 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.