tailbone
/ˈteɪlˌbəʊn/
"tailbone" is a 8-letter English headword indexed on PlainSpell.
The verdict
“tailbone” is uncommon English (frequency #84,815 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.
- #84,815
- frequency rank, English
- 3,151
- “T” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The final fused vertebrae at the base of the spine; the coccyx.
Corpus desk
Index EN-tailbone · tailbone · English
tailbone · rank #84,815 · 0 variants · 0 confusables
- FREQ-RARE #84,815
- LEN-LONG 8 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,151
- PHOTO-FINISH Tameside
Nearest frequency peer: Tameside (+3 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 “tailbone”
Sparse band: bars invert rank so rarer forms read shorter
- tailbone
tailbone
15,186 corpus weight
- Tameside
Tameside
15,183 corpus weight
- Tawney
Tawney
15,181 corpus weight
- terabyte
terabyte
15,178 corpus weight
- thems
thems
15,175 corpus weight
- Therrien
Therrien
15,174 corpus weight
What this shows Long-tail view: where “tailbone” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | tailbone |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈteɪlˌbəʊn/ |
| Letters | 8 |
| Frequency rank | #84,815 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “tailbone” in English
Rare enough to double-check
tailbone is uncommon English at frequency #84,815 among 3,151 “T” headwords, classed as anoun, transcribed /ˈteɪlˌbəʊn/. Rarity is why readers land here mid-draft. Gloss: "The final fused vertebrae at the base of the spine; the coccyx.".
Our edit-distance generator produced no likely misspellings for tailbone, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From tail + bone. The correct English form is tailbone, spelled T-A-I-L-B-O-N-E.
Definition
- 1The final fused vertebrae at the base of the spine; the coccyx.
Etymology
From tail + bone.
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
How do you spell "tailbone"?
What does "tailbone" mean?
How do you pronounce "tailbone"?
What is the origin of the word "tailbone"?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "tailbone", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).