sicvsSTKWhich spelling fits?

Quick tell: sic is a adverb, STK is an abbrev, so they fill different roles in a sentence.

Which to use

“sic” is an adverb and “STK” is an abbrev - they look or sound alike but fill different roles in a sentence.

#11,752
“sic” frequency rank
#42,155
“STK” frequency rank
53907
confusion score

Side-by-Side Comparison

Feature sic STK
Definition wirklich so und nicht anders Stanice Technické Kontroly

Where the eye mixes sic and STK

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
sic
3 ch
STK

Why the eye confuses sic with STK

These two trip readers on the page rather than in the ear: sic is [ziːk] while STK is [ɛs.tɛː.kaː]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 53907, derived from the frequency rank of both members and their visual similarity.

sic is recorded at frequency rank #11,752, classified as anadv, pronounced [ziːk]. 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 53907, this pair ranks #1,039,673 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sic vs STK

Shared letters: s. Private to "sic": ci. Private to "STK": kt.

"sic" · 3 letters · shape CVC  ·  "STK" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "sic" for "STK" ever safe?
No - they are not even the same part of speech. "sic" is an adverb and "STK" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sic" or "STK"?
"sic" is the more common of the two: it sits at frequency rank #11,752 in our German list, against #42,155 for "STK". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sic" 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 #1,039,673 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "sic" and "STK" also get mixed up with nearby pairs, the highest-scored neighbour is "seg vs STK". Nearby pair

Confusion rank #1,039,673 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list