-ois

[…]

/[…]/ suffix

By · According to Wiktionary data (CC BY-SA) ·

The verdict

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

Unranked
below top-frequency German
4
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - -er

Corpus desk

Index DE-ois · -ois · German

-ois · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 4 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 -ois
PropertyValue
Headword-ois
LanguageGerman
Part of speechSuffix
IPA[…]
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “-ois” sits in German frequency

-oissits beyond the 100,000 most-frequent German words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

-ois is uncommon German outside the top frequency list, classed as asuffix, transcribed […]. Rarity is why readers land here mid-draft. Gloss: "-er".

-ois doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is -ois, spelled --O-I-S.

Definition

  1. 1
    -er

Synonyms

-ais

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "-ois"?
"-ois" is spelled --O-I-S. The IPA pronunciation is […].
What does "-ois" mean?
As a suffix, "-ois" means: -er
How do you pronounce "-ois"?
The IPA (International Phonetic Alphabet) transcription for "-ois" is […]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "-ois" come from?
"-ois" is a German word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

What to do next

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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.

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

Source: FrequencyWords open word-frequency list