flottervsfosterConfusable pair

Quick tell: flotter is a adjective, foster is a verb, so they fill different roles in a sentence.

Which to use

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

#38,105
“flotter” frequency rank
#18,247
“foster” frequency rank
56352
confusion score

Side-by-Side Comparison

Feature flotter foster
Definition Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs flott nähren, pflegen, aufziehen

Where the eye mixes flotter and foster

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. flotter runs 7 letters (CCVCCVC) against foster's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
flotter
6 ch
foster

Look-alike desk: flotter vs foster

These two trip readers on the page rather than in the ear: flotter is [ˈflɔtɐ] while foster is [fɒstə(r)]. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 56352, derived from the frequency rank of both members and their visual similarity.

flotter is recorded at frequency rank #38,105, classified as anadj, pronounced [ˈflɔtɐ]. foster is at rank #18,247, tagged as averb, pronounced [fɒstə(r)].

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 56352, this pair ranks #943,603 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of flotter vs foster

Shared letters: efort. Private to "flotter": l. Private to "foster": s.

"flotter" · 7 letters · shape CCVCCVC  ·  "foster" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • flotter ← fflotter · fllotter · flotetr · flotterr · flottre · fltoter · lfotter
  • foster ← ffoster · fosetr · fosster · fosterr · fostre · fostter · fotser · fsoter

Frequently Asked Questions

Can "flotter" and "foster" be used interchangeably?
No - they are not even the same part of speech. "flotter" is an adjective and "foster" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "flotter" or "foster" show up more?
"foster" is the more common of the two: it sits at frequency rank #18,247 in our German list, against #38,105 for "flotter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "flotter" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foster" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #943,603 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "flotter" and "foster" also get mixed up with nearby pairs, the highest-scored neighbour is "flattert vs flotter". 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 #943,603 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