fillvsFLAWhich spelling fits?

Quick tell: fill is a verb, FLA is a name, so they fill different roles in a sentence.

Which to use

“fill” is a verb and “FLA” is a name - they look or sound alike but fill different roles in a sentence.

#2,297
“fill” frequency rank
#13,151
“FLA” frequency rank
15448
confusion score

Side-by-Side Comparison

Feature fill FLA
Definition To make full Abbreviation of Florida: a state of the United States.

Letter map: fill vs FLA

Shared letters muted; letters that set fill and FLA apart highlighted. Shared run: 2.

4 ch
fill
3 ch
FLA

Role in the sentence - fill and FLA

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fill is averb and FLAaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15448, derived from the frequency rank of both members and their visual similarity.

fill is recorded at frequency rank #2,297, classified as averb, pronounced /fɪl/. FLA is at rank #13,151, tagged as aname.

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 15448, this pair ranks #463,894 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fill vs FLA

Shared letters: fl. Private to "fill": i. Private to "FLA": a.

"fill" · 4 letters · shape CVCC  ·  "FLA" · 3 letters · shape CCV

Known mistypes of this pair

  • fillffill · flil · ifll

Frequently Asked Questions

Do "fill" and "FLA" mean the same thing in a sentence?
No - they are not even the same part of speech. "fill" is a verb and "FLA" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fill" vs "FLA" - which ranks higher?
"fill" is the more common of the two: it sits at frequency rank #2,297 in our English list, against #13,151 for "FLA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "fill" vs "FLA" is on the table, pick a follow-up below.

  • Full dictionary entry for "fill" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "FLA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #463,894 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fill" and "FLA" also get mixed up with nearby pairs, the highest-scored neighbour is "FLA vs foh". 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 #463,894 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list