oker

noun

"oker" is a 4-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
4
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Interest on money; usury; increase.

Corpus desk

Index EN-oker · oker · English

oker · 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 "O" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

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 oker
PropertyValue
Headwordoker
LanguageEnglish
Part of speechNoun
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “oker” in English

okerranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

oker is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Interest on money; usury; increase.".

No misspelling variants are generated for oker in our index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle English oker, okur, okir, okyr, ocker, from Old Norse ókr (“usury”), from Proto-Germanic *wōkraz (“progeny, earnings, profit”), from Proto-Indo-European *h₂weg- (“to add, increase”). Cognate with Scots ocker (“usury”), Icelandic ókur (“usury”), … The correct English form is oker, spelled O-K-E-R.

Definition

  1. 1
    Interest on money; usury; increase.

Etymology

From Middle English oker, okur, okir, okyr, ocker, from Old Norse ókr (“usury”), from Proto-Germanic *wōkraz (“progeny, earnings, profit”), from Proto-Indo-European *h₂weg- (“to add, increase”). Cognate with Scots ocker (“usury”), Icelandic ókur (“usury”), Swedish ocker (“usury”), German Wucher (“usury”), Dutch woeker (“usury”), Old English wōcor (“increase, growth, fruit, usury”), Gothic 𐍅𐍉𐌺𐍂𐍃 (wōkrs, “interest, usury, tax”), Latin augere (“to increase”). More at eke, wax.

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 "oker"?
"oker" is spelled O-K-E-R.
What does "oker" mean?
As a noun, "oker" means: Interest on money; usury; increase.
What is the origin of the word "oker"?
From Middle English oker, okur, okir, okyr, ocker, from Old Norse ókr (“usury”), from Proto-Germanic *wōkraz (“progeny, earnings, profit”), from Proto-Indo-European *h₂weg- (“to add, increase”). Cognate with Scots ocker (“usury”), Icelandic ókur (... See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list