osteosarcoma
"osteosarcoma" is a 12-letter English headword indexed on PlainSpell.
The verdict
“osteosarcoma” is uncommon English (frequency #83,582 among 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #83,582
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A type of cancer of the bone.
| Property | Value |
|---|---|
| Headword | osteosarcoma |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #83,582 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “osteosarcoma” sits in English frequency
Rare enough to double-check
osteosarcoma is uncommon English at frequency #83,582 among 15,494 “O” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A type of cancer of the bone.".
Zero misspellings are on record for osteosarcoma in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From osteo- + sarcoma. The correct English form is osteosarcoma, spelled O-S-T-E-O-S-A-R-C-O-M-A.
Definition
- 1A type of cancer of the bone.
Etymology
From osteo- + sarcoma.
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); 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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Using “osteosarcoma”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-S-T-E-O-S-A-R-C-O-M-A - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this 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.