fasvsFDAConfusable pair

Quick tell: fas is a verb, FDA is an abbrev, so they fill different roles in a sentence.

Which to use

“fas” is a verb and “FDA” is an abbrev - they look or sound alike but fill different roles in a sentence.

#38,095
“fas” frequency rank
#40,527
“FDA” frequency rank
78622
confusion score

Side-by-Side Comparison

Feature fas FDA
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs fasen Food and Drug Administration

Letter map: fas vs FDA

Shared letters muted; letters that set fas and FDA apart highlighted. Shared run: 2. fas (CVC) and FDA (CCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
fas
3 ch
FDA

Grammar separator: fas vs FDA

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fas is averb and FDAanabbrev. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 78622, derived from the frequency rank of both members and their visual similarity.

fas is recorded at frequency rank #38,095, classified as averb, pronounced [faːs]. FDA is at rank #40,527, 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 78622, this pair ranks #234,155 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of fas vs FDA

Shared letters: af. Private to "fas": s. Private to "FDA": d.

"fas" · 3 letters · shape CVC  ·  "FDA" · 3 letters · shape CCV

Frequently Asked Questions

Can "fas" and "FDA" be used interchangeably?
No - they are not even the same part of speech. "fas" is a verb and "FDA" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fas" or "FDA"?
"fas" is the more common of the two: it sits at frequency rank #38,095 in our German list, against #40,527 for "FDA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "fas" vs "FDA" is on the table, pick a follow-up below.

  • Full dictionary entry for "fas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "FDA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #234,155 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fas" and "FDA" also get mixed up with nearby pairs, the highest-scored neighbour is "fas vs fist". Nearby pair

Confusion rank #234,155 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