spheroid
"spheroid" is a 8-letter English headword indexed on PlainSpell.
The verdict
“spheroid” is uncommon English (frequency #87,856 among 6,566 “S” headwords), classed as an adjective. The kind of spelling people second-guess.
- #87,856
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of a shape similar to a squashed sphere.
Corpus desk
Index EN-spheroid · spheroid · English
spheroid · rank #87,856 · 0 variants · 0 confusables
- FREQ-RARE #87,856
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH spacial
Nearest frequency peer: spacial (-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 “spheroid”
Sparse band: bars invert rank so rarer forms read shorter
- sophomoric
sophomoric
12,153 corpus weight
- sorbitol
sorbitol
12,152 corpus weight
- souled
souled
12,151 corpus weight
- spacial
spacial
12,148 corpus weight
- spheroid
spheroid
12,145 corpus weight
- sportster
sportster
12,142 corpus weight
What this shows Long-tail view: where “spheroid” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | spheroid |
| Language | English |
| Part of speech | Adjective |
| Letters | 8 |
| Frequency rank | #87,856 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “spheroid” in English
Rare enough to double-check
spheroid is uncommon English at frequency #87,856 among 6,566 “S” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of a shape similar to a squashed sphere.".
We couldn't generate a plausible misspelling set for spheroid, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From sphere + -oid. The correct English form is spheroid, spelled S-P-H-E-R-O-I-D.
Definition
- 1Of a shape similar to a squashed sphere.
Etymology
From sphere + -oid.
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 "spheroid", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).