optimality
"optimality" is a 10-letter English headword indexed on PlainSpell.
The verdict
“optimality” is uncommon English (frequency #82,623 among 1,431 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #82,623
- frequency rank, English
- 1,431
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The property of being optimal.
Corpus desk
Index EN-optimality · optimality · English
optimality · rank #82,623 · 0 variants · 0 confusables
- FREQ-RARE #82,623
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,431
- PHOTO-FINISH opencast
Nearest frequency peer: opencast (-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 “optimality”
Sparse band: bars invert rank so rarer forms read shorter
- opencast
opencast
17,379 corpus weight
- optimality
optimality
17,378 corpus weight
- Orta
Orta
17,376 corpus weight
- ostentation
ostentation
17,375 corpus weight
- OTB
OTB
17,374 corpus weight
- outcall
outcall
17,372 corpus weight
What this shows Long-tail view: where “optimality” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | optimality |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #82,623 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “optimality” in English
Rare enough to double-check
optimality is uncommon English at frequency #82,623 among 1,431 “O” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The property of being optimal.".
No misspelling variants are generated for optimality in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From optimal + -ity. The correct English form is optimality, spelled O-P-T-I-M-A-L-I-T-Y.
Definition
- 1The property of being optimal.
Etymology
From optimal + -ity.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "optimality", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).