FHvsflWhich spelling fits?

Which to use

“FH” and “fl” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#10,282
“FH” frequency rank
#13,360
“fl” frequency rank
23642
confusion score

Side-by-Side Comparison

Feature FH fl
Definition Fachhochschule Femtoliter (= 10⁻¹⁵ l, ein billiardstel Liter)

Letter map: FH vs fl

Shared letters muted; letters that set FH and fl apart highlighted. Shared run: 1.

2 ch
FH
2 ch
fl

Pair insight - FH / fl

FH and fl are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - h in “FH” becomes l in “fl”. Our composite confusion score for this pair is 23642, derived from the frequency rank of both members and their visual similarity.

FH is recorded at frequency rank #10,282, classified as anabbrev, pronounced [ɛfˈhaː]. fl is at rank #13,360, tagged as anabbrev.

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 23642, this pair ranks #1,858,575 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of FH vs fl

Shared letters: f. Private to "FH": h. Private to "fl": l.

"FH" · 2 letters · shape CC  ·  "fl" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "FH" for "fl" ever safe?
No. They differ by a single letter - h in “FH” becomes l in “fl”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "FH" vs "fl" - which ranks higher?
"FH" is the more common of the two: it sits at frequency rank #10,282 in our German list, against #13,360 for "fl". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "FH" and "fl".

  • Full dictionary entry for "FH" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fl" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,858,575 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "FH" and "fl" also get mixed up with nearby pairs, the highest-scored neighbour is "fils vs fl". Nearby pair

Confusion rank #1,858,575 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