serbevssérumWhich spelling fits?

Quick tell: serbe is a adjective, sérum is a noun, so they fill different roles in a sentence.

Which to use

“serbe” is an adjective and “sérum” is a noun - they look or sound alike but fill different roles in a sentence.

#10,578
“serbe” frequency rank
#15,264
“sérum” frequency rank
25842
confusion score

Side-by-Side Comparison

Feature serbe sérum
Definition Relatif à la Serbie, aux Serbes. Liquide qui surnage lorsque le sang se coagule.

Where the eye mixes serbe and sérum

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

5 ch
serbe
5 ch
sérum

Visual trap between serbe and sérum

These two trip readers on the page rather than in the ear: serbe is \sɛʁb\ while sérum is \se.ʁɔm\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 25842, derived from the frequency rank of both members and their visual similarity.

serbe is recorded at frequency rank #10,578, classified as anadj, pronounced \sɛʁb\. sérum is at rank #15,264, tagged as anoun, pronounced \se.ʁɔm\.

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 25842, this pair ranks #338,559 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of serbe vs sérum

Shared letters: rs. Private to "serbe": be. Private to "sérum": mué.

"serbe" · 5 letters · shape CVCCV  ·  "sérum" · 5 letters · shape CVCVC

Known mistypes of this pair

  • serbeesrbe · sebre · serbbe · sereb · serrbe · srebe · sserbe

Frequently Asked Questions

Is swapping "serbe" for "sérum" ever safe?
No - they are not even the same part of speech. "serbe" is an adjective and "sérum" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "serbe" or "sérum"?
"serbe" is the more common of the two: it sits at frequency rank #10,578 in our French list, against #15,264 for "sérum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "serbe" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sérum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #338,559 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "serbe" and "sérum" also get mixed up with nearby pairs, the highest-scored neighbour is "sérum vs seum". 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 #338,559 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list