adamantium
/ˌæ.dəˈmæn.tɪ.əm/
"adamantium" is a 10-letter English headword indexed on PlainSpell.
The verdict
“adamantium” is uncommon English (frequency #77,381 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #77,381
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A fictional metal which is indestructible or nearly so.
Corpus desk
Index EN-adamantium · adamantium · English
adamantium · rank #77,381 · 0 variants · 0 confusables
- FREQ-RARE #77,381
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH acquisitive
Nearest frequency peer: acquisitive (-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.
Long-tail ranks near “adamantium”
Sparse band: bars invert rank so rarer forms read shorter
- Ackley
Ackley
22,622 corpus weight
- acquisitive
acquisitive
22,621 corpus weight
- adamantium
adamantium
22,620 corpus weight
- adoptable
adoptable
22,619 corpus weight
- adware
adware
22,618 corpus weight
- aerobatic
aerobatic
22,616 corpus weight
What this shows Long-tail view: where “adamantium” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | adamantium |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌæ.dəˈmæn.tɪ.əm/ |
| Letters | 10 |
| Frequency rank | #77,381 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “adamantium” in English
Rare enough to double-check
adamantium is uncommon English at frequency #77,381 among 3,931 “A” headwords, classed as anoun, transcribed /ˌæ.dəˈmæn.tɪ.əm/. Rarity is why readers land here mid-draft. Gloss: "A fictional metal which is indestructible or nearly so.".
adamantium has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From adamant + -ium (suffix forming humorous- or scientific-sounding fictional substance names). The correct English form is adamantium, spelled A-D-A-M-A-N-T-I-U-M.
Definition
- 1A fictional metal which is indestructible or nearly so.
Recorded use
Wiktionary examplesThese source excerpts show how adamantium appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
It was a bullet. It was a small slug of adamantium, the toughest and hardest of all metals, crammed to capacity with the terrific explosive feroxite and would burst instantly on any reasonable heavy impact.
It's imperative that these experiments be concluded with haste! The military must know the potential of this new adamantium at once! Even the President is standing by!
Etymology
From adamant + -ium (suffix forming humorous- or scientific-sounding fictional substance names).
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.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "adamantium", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).