flogvsfrogWhich spelling fits?

Quick tell: flog is a verb, frog is a noun, so they fill different roles in a sentence.

Which to use

“flog” is a verb and “frog” is a noun - they look or sound alike but fill different roles in a sentence.

#41,629
“flog” frequency rank
#8,426
“frog” frequency rank
50055
confusion score

Side-by-Side Comparison

Feature flog frog
Definition To whip or scourge as punishment. Any of a class of small tailless amphibians of the order Anura that typically hop.

Where the eye mixes flog and frog

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
flog
4 ch
frog

Visual trap between flog and frog

These two trip readers on the page rather than in the ear: flog is /flɒɡ/ while frog is /fɹɒɡ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - l in “flog” becomes r in “frog”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50055, derived from the frequency rank of both members and their visual similarity.

flog is recorded at frequency rank #41,629, classified as averb, pronounced /flɒɡ/. frog is at rank #8,426, tagged as anoun, pronounced /fɹɒɡ/.

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 50055, this pair ranks #177,795 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of flog vs frog

Shared letters: fgo. Private to "flog": l. Private to "frog": r.

"flog" · 4 letters · shape CCVC  ·  "frog" · 4 letters · shape CCVC

Known mistypes of this pair

  • flogfflog · flgo · fllog · flogg · folg · lfog
  • frogffrog · forg · frgo · frogg · frrog · rfog

Frequently Asked Questions

Is swapping "flog" for "frog" ever safe?
No - they are not even the same part of speech. "flog" is a verb and "frog" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "flog" or "frog" show up more?
"frog" is the more common of the two: it sits at frequency rank #8,426 in our English list, against #41,629 for "flog". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "flog" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "frog" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #177,795 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "flog" and "frog" also get mixed up with nearby pairs, the highest-scored neighbour is "flog 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 #177,795 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