MPSI

Name: MPSI, French Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

\ɛm.pe.ɛs.i\

/\ɛm.pe.ɛs.i\/ noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed May 6, 2026

The verdict

“MPSI” is uncommon French (frequency #87,861 among 202,672 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#87,861
frequency rank, French: 202,672
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Première année de classe préparatoire offrant un enseignement renforcé dans le domaine des mathématiques et de la physique. Les élèves peuvent ensuite entrer en classe de MP, MP*, PSI ou PSI*.

Key facts for MPSI
Property	Value
Headword	MPSI
Language	French
Part of speech	Noun
IPA	\ɛm.pe.ɛs.i\
Letters	4
Frequency rank	#87,861
Misspellings tracked	0
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Where “MPSI” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). MPSI lands here:

#87,861

#1#100#1K#10K#100K

← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

MPSI is uncommon French at frequency #87,861 among 202,672 “M” headwords, classed as anoun, transcribed \ɛm.pe.ɛs.i\. Rarity is why readers land here mid-draft. Gloss: "Première année de classe préparatoire offrant un enseignement renforcé dans le domaine des mathématiques et de la physique. Les élèves peuvent ensuite entrer en classe de MP, MP*, PSI ou PSI*.".

We couldn't generate a plausible misspelling set for MPSI, a sign its spelling follows regular French conventions. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

No explicit etymology string is stored for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is MPSI, spelled M-P-S-I.

Definition

1
Première année de classe préparatoire offrant un enseignement renforcé dans le domaine des mathématiques et de la physique. Les élèves peuvent ensuite entrer en classe de MP, MP*, PSI ou PSI*.

Synonyms

Mathématiques supérieures Maths Sup Sup

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 "MPSI"?

"MPSI" is spelled M-P-S-I. The IPA pronunciation is \ɛm.pe.ɛs.i\.

What does "MPSI" mean?

As a noun, "MPSI" means: Première année de classe préparatoire offrant un enseignement renforcé dans le domaine des mathématiques et de la physique. Les élèves peuvent ensuite entrer en classe de MP, MP*, PSI ou PSI*.

How do you pronounce "MPSI"?

The IPA (International Phonetic Alphabet) transcription for "MPSI" is \ɛm.pe.ɛs.i\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.

What language does "MPSI" come from?

"MPSI" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.

Is PlainSpell free to use?

Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “MPSI”

The practical upshot for anyone who landed here from a spell-check.

The one correct French spelling is M-P-S-I - every other letter order is a misspelling in standard orthography.
Say it as \ɛm.pe.ɛs.i\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
Browse more French words and confusable pairs in the same reference. French words

Other uncommon French words near this rank

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.