unreliability
"unreliability" is a 13-letter English headword indexed on PlainSpell.
The verdict
“unreliability” is uncommon English (frequency #59,787 among 1,433 “U” headwords), classed as a noun. The kind of spelling people second-guess.
- #59,787
- frequency rank, English
- 1,433
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The quality of being unreliable.
Corpus desk
Index EN-unreliability · unreliability · English
unreliability · rank #59,787 · 0 variants · 0 confusables
- FREQ-RARE #59,787
- LEN-MEGA 13 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,433
- PHOTO-FINISH untainted
Nearest frequency peer: untainted (+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 “unreliability”
Sparse band: bars invert rank so rarer forms read shorter
- unidirectio…
unidirectional
40,217 corpus weight
- unmade
unmade
40,216 corpus weight
- unreliabili…
unreliability
40,214 corpus weight
- untainted
untainted
40,213 corpus weight
- Usu
Usu
40,212 corpus weight
- usurping
usurping
40,211 corpus weight
What this shows Long-tail view: where “unreliability” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | unreliability |
| Language | English |
| Part of speech | Noun |
| Letters | 13 |
| Frequency rank | #59,787 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “unreliability” in English
Rare enough to double-check
unreliability is uncommon English at frequency #59,787 among 1,433 “U” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The quality of being unreliable.".
unreliability has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From un- + reliability. The correct English form is unreliability, spelled U-N-R-E-L-I-A-B-I-L-I-T-Y.
Definition
- 1The quality of being unreliable.
Etymology
From un- + reliability.
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 "unreliability", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 13 letters (nearest by frequency rank).