FlugvsflugsTell them apart

Quick tell: Flug is a noun, flugs is an adverb, so they fill different roles in a sentence.

Which to use

“Flug” is a noun and “flugs” is an adverb - they look or sound alike but fill different roles in a sentence.

#2,649
“Flug” frequency rank
#38,106
“flugs” frequency rank
40755
confusion score

Side-by-Side Comparison

Feature Flug flugs
Definition Fortbewegung eines Körpers durch die Luft, hauptsächlich durch Ausnutzung der Gesetze der Aerodynamik flink, schnell

Where the eye mixes Flug and flugs

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
Flug
5 ch
flugs

Visual trap between Flug and flugs

These two trip readers on the page rather than in the ear: Flug is [fluːk] while flugs is [flʊks]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “Flug” sits inside “flugs”, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 40755, derived from the frequency rank of both members and their visual similarity.

Flug is recorded at frequency rank #2,649, classified as anoun, pronounced [fluːk]. flugs is at rank #38,106, tagged as anadv, pronounced [flʊks].

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 40755, this pair ranks #1,499,263 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Flug vs flugs

Shared letters: fglu. Private to "Flug": -. Private to "flugs": s.

"Flug" · 4 letters · shape CCVC  ·  "flugs" · 5 letters · shape CCVCC

Known mistypes of this pair

  • Flugfflug · flgu · fllug · flugg · fulg · lfug
  • flugsfflugs · flgus · fllugs · fluggs · flugss · flusg · fulgs · lfugs

Frequently Asked Questions

Can "Flug" and "flugs" be used interchangeably?
No - they are not even the same part of speech. "Flug" is a noun and "flugs" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Flug" or "flugs" show up more?
"Flug" is the more common of the two: it sits at frequency rank #2,649 in our German list, against #38,106 for "flugs". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "Flug" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "flugs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,499,263 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Flug" and "flugs" also get mixed up with nearby pairs, the highest-scored neighbour is "flügge vs flugs". 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 #1,499,263 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