-iser

\i.ze\

/\i.ze\/ suffix

The verdict

“-iser” is uncommon French (outside the top frequency list), classed as a suffix. The kind of spelling people second-guess.

Unranked
below top-frequency French
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Morphème causatif, exprimant une transformation vers la notion exprimée par le radical.

Corpus desk

Index FR-iser · -iser · French

-iser · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "-" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for -iser
PropertyValue
Headword-iser
LanguageFrench
Part of speechSuffix
IPA\i.ze\
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « -iser » en français

-iserreste hors des 100.000 mots français les plus fréquents, dans la longue queue du vocabulaire technique, archaïque ou rare, là où le doute d'orthographe frappe.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

-iser is uncommon French outside the top frequency list, classed as asuffix, transcribed \i.ze\. Rarity is why readers land here mid-draft. Gloss: "Morphème causatif, exprimant une transformation vers la notion exprimée par le radical.".

We couldn't generate a plausible misspelling set for -iser, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Wiktionary doesn't record an etymology for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is -iser, spelled --I-S-E-R.

Definition

  1. 1
    Morphème causatif, exprimant une transformation vers la notion exprimée par le radical.

Recorded use

Wiktionary examples

These source excerpts show how -iser appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Adjectif : moderniser, alcaliniser.
  2. Nom : miniaturiser, alcooliser.

Synonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "-iser"?
"-iser" is spelled --I-S-E-R. The IPA pronunciation is \i.ze\.
What does "-iser" mean?
As a suffix, "-iser" means: Morphème causatif, exprimant une transformation vers la notion exprimée par le radical.
How do you pronounce "-iser"?
The IPA (International Phonetic Alphabet) transcription for "-iser" is \i.ze\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "-iser" come from?
"-iser" 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.

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

Source: FrequencyWords open word-frequency list