ironstone

noun

"ironstone" is a 9-letter English headword indexed on PlainSpell.

The verdict

“ironstone” is uncommon English (frequency #65,999 among 17,902 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#65,999
frequency rank, English
17,902
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any ore of iron which is impure through the admixture of silica or clay.

Corpus desk

Index EN-ironstone · ironstone · English

ironstone · rank #65,999 · 0 variants · 0 confusables

  • FREQ-RARE #65,999
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 17,902
  • PHOTO-FINISH itemize

Nearest frequency peer: itemize (+1 rank slots)

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.

Frequency neighbourhood for “ironstone”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “ironstone” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for ironstone
PropertyValue
Headwordironstone
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#65,999
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ironstone” sits in English 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). ironstone lands here:

#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

ironstone is uncommon English at frequency #65,999 among 17,902 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for ironstone in our index, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From iron + stone. The correct English form is ironstone, spelled I-R-O-N-S-T-O-N-E.

Definition

  1. 1
    Any ore of iron which is impure through the admixture of silica or clay.
  2. 2
    A type of vitreous pottery similar to stoneware

Etymology

From iron + stone.

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 English corpus, MIT). 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 May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "ironstone"?
"ironstone" is spelled I-R-O-N-S-T-O-N-E.
What does "ironstone" mean?
As a noun, "ironstone" means: Any ore of iron which is impure through the admixture of silica or clay.
What is the origin of the word "ironstone"?
From iron + stone. See the full etymology section above for more details.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "ironstone", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency 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.

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

Source: FrequencyWords open word-frequency list