réactivité
\ʁe.ak.ti.vi.te\
The verdict
“réactivité” is a moderately-common French word, ranked #21,156 in French word frequency and used as a noun.
- #21,156
- frequency rank, French
- 10
- letters
- 15
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Capacité de réaction d'une molécule ou d'un corps chimique.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | réactivité |
| Language | French |
| Part of speech | Noun |
| IPA | \ʁe.ak.ti.vi.te\ |
| Letters | 10 |
| Frequency rank | #21,156 |
| Misspellings tracked | 15 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “réactivité” sits in French frequency
Spelling & Dictionary Insight
The French entry for réactivité is 10 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \ʁe.ak.ti.vi.te\. Corpus data places it at rank #21,156 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 15 likely wrong-spelling variants for réactivité, with forms such as "raéctivité", "reactivite", and "rréactivité". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 2 confusable-pair relationships, "relativité", "réactive", where similar look or sound leads writers to substitute one word for another in context.
Wiktionary doesn't record an etymology for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is réactivité, spelled R-É-A-C-T-I-V-I-T-É.
Definition
- 1Capacité de réaction d'une molécule ou d'un corps chimique.
- 2Capacité, rapidité de réaction face à un changement de situation.
- 3Réaction face à un stimulus extérieur.
- 4Mesure des capacités de réaction d’un réacteur nucléaire. Dans un milieu multiplicateur de neutrons, écart relatif, par rapport à 1, du facteur de multiplication effectif.
- 5Délai de réaction à un stimulus externe.
This word in other languages
Common misspellings
Also misspelled as: raéctivité,reactivite,rréactivité,réacctivité,réacitvité,réactiivté,réactivitté,réactiviét,réactivtié,réactivvité,réacttivité,réactviité,réatcivité,récativité,éractivité
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of réactivité - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "réactivité"?
What does "réactivité" mean?
What words are commonly confused with "réactivité"?
How do you pronounce "réactivité"?
What language does "réactivité" come from?
Is PlainSpell free to use?
Using “réactivité”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is R-É-A-C-T-I-V-I-T-É - every other letter order is a misspelling in standard orthography.
- Say it as \ʁe.ak.ti.vi.te\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “relativité” - see the side-by-side comparison. réactivité vs relativité
- Browse more French words and confusable pairs in the same reference. French words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.