invalidity
"invalidity" is a 10-letter English headword indexed on PlainSpell.
The verdict
“invalidity” is uncommon English (frequency #75,081 among 2,140 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #75,081
- frequency rank, English
- 2,140
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state of being invalid; lack of validity.
Corpus desk
Index EN-invalidity · invalidity · English
invalidity · rank #75,081 · 0 variants · 0 confusables
- FREQ-RARE #75,081
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH interspecies
Nearest frequency peer: interspecies (-2 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 “invalidity”
Sparse band: bars invert rank so rarer forms read shorter
- inseam
inseam
24,926 corpus weight
- insubordina…
insubordinate
24,924 corpus weight
- intemperate
intemperate
24,923 corpus weight
- interspecies
interspecies
24,922 corpus weight
- invalidity
invalidity
24,920 corpus weight
- IOF
IOF
24,918 corpus weight
What this shows Long-tail view: where “invalidity” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | invalidity |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #75,081 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “invalidity” in English
Rare enough to double-check
invalidity is uncommon English at frequency #75,081 among 2,140 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The state of being invalid; lack of validity.".
The misspelling generator found no plausible variants for invalidity, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From invalid + -ity. The correct English form is invalidity, spelled I-N-V-A-L-I-D-I-T-Y.
Definition
- 1The state of being invalid; lack of validity.
Etymology
From invalid + -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 "invalidity", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).