testenvstiefstenConfusable pair

Quick tell: testen is a verb, tiefsten is an adjective, so they fill different roles in a sentence.

Which to use

“testen” is a verb and “tiefsten” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,491
“testen” frequency rank
#13,039
“tiefsten” frequency rank
16530
confusion score

Side-by-Side Comparison

Feature testen tiefsten
Definition durch einen oder mehrere Versuche überprüfen, ob etwas (beispielsweise eine Methode, ein Prozess, ein technisches Gerät) funktioniert/den Anforderungen entspricht oder nicht Genitiv Singular Maskulinum der starken Flexion des Superlativs des Adjektivs tief

Where the eye mixes testen and tiefsten

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. testen runs 6 letters (CVCCVC) against tiefsten's 8 (CVVCCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
testen
8 ch
tiefsten

Why the eye confuses testen with tiefsten

These two trip readers on the page rather than in the ear: testen is [ˈtɛstn̩] while tiefsten is [ˈtiːfstn̩]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 16530, derived from the frequency rank of both members and their visual similarity.

testen is recorded at frequency rank #3,491, classified as averb, pronounced [ˈtɛstn̩]. tiefsten is at rank #13,039, tagged as anadj, pronounced [ˈtiːfstn̩].

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 16530, this pair ranks #1,935,094 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of testen vs tiefsten

Shared letters: enst. Private to "testen": -. Private to "tiefsten": fi.

"testen" · 6 letters · shape CVCCVC  ·  "tiefsten" · 8 letters · shape CVVCCCVC

Known mistypes of this pair

  • testenetsten · tesetn · tessten · testenn · testne · testten · tetsen · tseten
  • tiefstenitefsten · teifsten · tieffsten · tiefsetn · tiefssten · tiefstenn · tiefstne · tiefstten

Frequently Asked Questions

Do "testen" and "tiefsten" mean the same thing in a sentence?
No - they are not even the same part of speech. "testen" is a verb and "tiefsten" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "testen" or "tiefsten"?
"testen" is the more common of the two: it sits at frequency rank #3,491 in our German list, against #13,039 for "tiefsten". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "testen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tiefsten" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,935,094 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "testen" and "tiefsten" also get mixed up with nearby pairs, the highest-scored neighbour is "Tiefsee vs tiefsten". 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 #1,935,094 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