Which to use
“Falter” is a noun and “foster” is a verb - they look or sound alike but fill different roles in a sentence.
- #13,818
- “Falter” frequency rank
- #18,247
- “foster” frequency rank
- 32065
- confusion score
Side-by-Side Comparison
| Feature | Falter | foster |
|---|---|---|
| Definition | Vertreter einer artenreichen Ordnung der Insekten | nähren, pflegen, aufziehen |
Where the eye mixes Falter and foster
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between Falter and foster
These two trip readers on the page rather than in the ear: Falter is [ˈfaltɐ] while foster is [fɒstə(r)]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 32065, derived from the frequency rank of both members and their visual similarity.
Falter is recorded at frequency rank #13,818, classified as anoun, pronounced [ˈfaltɐ]. 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 32065, this pair ranks #1,715,387 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Falter vs foster
Shared letters: efrt. Private to "Falter": al. Private to "foster": os.
"Falter" · 6 letters · shape CVCCVC · "foster" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "Falter" and "foster" be used interchangeably?
Frequency check: "Falter" vs "foster" - which ranks higher?
After this comparison
Eye-level mix-up between "Falter" and "foster" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Falter" 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 #1,715,387 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Falter" and "foster" also get mixed up with nearby pairs, the highest-scored neighbour is "Falter vs Färber". 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 #1,715,387 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.