infizierenvsinfiziertenConfusable pair

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

Which to use

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

#28,258
“infizieren” frequency rank
#16,462
“infizierten” frequency rank
44720
confusion score

Side-by-Side Comparison

Feature infizieren infizierten
Definition mit einer Substanz oder Erregern in Kontakt bringen, die Krankheiten auslösen können Genitiv Singular Maskulinum der starken Flexion des Positivs des Adjektivs infiziert

Where the eye mixes infizieren and infizierten

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence. infizieren runs 10 letters (VCCVCVVCVC) against infizierten's 11 (VCCVCVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
infizieren
11 ch
infizierten

Why the eye confuses infizieren with infizierten

These two trip readers on the page rather than in the ear: infizieren is [ɪnfiˈt͡siːʁən] while infizierten is [ɪnfiˈt͡siːɐ̯tn̩]. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 44720, derived from the frequency rank of both members and their visual similarity.

infizieren is recorded at frequency rank #28,258, classified as averb, pronounced [ɪnfiˈt͡siːʁən]. infizierten is at rank #16,462, tagged as anadj, pronounced [ɪnfiˈt͡siːɐ̯tn̩].

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 44720, this pair ranks #1,376,906 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of infizieren vs infizierten

Shared letters: efinrz. Private to "infizieren": -. Private to "infizierten": t.

"infizieren" · 10 letters · shape VCCVCVVCVC  ·  "infizierten" · 11 letters · shape VCCVCVVCCVC

Known mistypes of this pair

  • infizieren ← ifnizieren · inffizieren · infiizeren · infizeiren · infizieern · infizierenn · infizierne · infizierren
  • infizierten ← ifnizierten · inffizierten · infiizerten · infizeirten · infizieretn · infizierrten · infiziertenn · infiziertne

Frequently Asked Questions

Can "infizieren" and "infizierten" be used interchangeably?
No - they are not even the same part of speech. "infizieren" is a verb and "infizierten" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "infizieren" or "infizierten" show up more?
"infizierten" is the more common of the two: it sits at frequency rank #16,462 in our German list, against #28,258 for "infizieren". 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 "infizieren" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "infizierten" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,376,906 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "infizieren" and "infizierten" also get mixed up with nearby pairs, the highest-scored neighbour is "infizieren vs inspizieren". 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 #1,376,906 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