flvsFlowWhat's the difference?

Quick tell: fl is a abbrev, Flow is a noun, so they fill different roles in a sentence.

Which to use

“fl” is an abbrev and “Flow” is a noun - they look or sound alike but fill different roles in a sentence.

#13,360
“fl” frequency rank
#13,823
“Flow” frequency rank
27183
confusion score

Side-by-Side Comparison

Feature fl Flow
Definition Femtoliter (= 10⁻¹⁵ l, ein billiardstel Liter) Durchfluss von Körperflüssigkeiten durch die Gefäße

Letter map: fl vs Flow

Shared letters muted; letters that set fl and Flow apart highlighted. Shared run: 2.

2 ch
fl
4 ch
Flow

Part-of-speech tell for fl / Flow

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fl is anabbrev and Flowanoun. On the page they differ by 2 extra letter(s) - “fl” sits inside “Flow”. Our composite confusion score for this pair is 27183, derived from the frequency rank of both members and their visual similarity.

fl is recorded at frequency rank #13,360, classified as anabbrev. Flow is at rank #13,823, tagged as anoun, pronounced [flɔʊ̯].

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 27183, this pair ranks #1,805,941 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fl vs Flow

Shared letters: fl. Private to "fl": -. Private to "Flow": ow.

"fl" · 2 letters · shape CC  ·  "Flow" · 4 letters · shape CCVC

Known mistypes of this pair

  • Flowfflow · fllow · floww · flwo · folw · lfow

Frequently Asked Questions

Is swapping "fl" for "Flow" ever safe?
No - they are not even the same part of speech. "fl" is an abbrev and "Flow" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fl" vs "Flow" - which ranks higher?
"fl" is the more common of the two: it sits at frequency rank #13,360 in our German list, against #13,823 for "Flow". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "fl" and "Flow". Here's where to go from here.

  • Full dictionary entry for "fl" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Flow" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,805,941 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fl" and "Flow" also get mixed up with nearby pairs, the highest-scored neighbour is "fils vs fl". 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 #1,805,941 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