hyperactivity
"hyperactivity" is a 13-letter English headword indexed on PlainSpell.
The verdict
“hyperactivity” has 21 generated spelling variants in the English index at frequency #34,532. The variants make it a useful spelling check.
- #34,532
- frequency rank, English
- 23,837
- “H” headwords
- 21
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The quality of being hyperactive; excessive and pathological movement and restlessness.
| Property | Value |
|---|---|
| Headword | hyperactivity |
| Language | English |
| Part of speech | Noun |
| Letters | 13 |
| Frequency rank | #34,532 |
| Misspellings tracked | 21 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “hyperactivity” sits in English frequency
A misspelling magnet
The generator records 21 spelling variants around hyperactivity, anoun. Corpus frequency is #34,532 among 23,837 “H” headwords. Dominant gloss: "The quality of being hyperactive; excessive and pathological movement and restlessness.".
Our generated misspelling index lists 21 likely wrong-spelling variants for hyperactivity, with forms such as "hhyperactivity", "hpyeractivity", and "hyepractivity". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From hyper- + activity. The correct English form is hyperactivity, spelled H-Y-P-E-R-A-C-T-I-V-I-T-Y.
Definition
- 1The quality of being hyperactive; excessive and pathological movement and restlessness.
Etymology
From hyper- + activity.
This word in other languages
Common misspellings
Also misspelled as:
- hhyperactivity
- hpyeractivity
- hyepractivity
- hypearctivity
- hyperacctivity
- hyperacitvity
- hyperactiivty
- hyperactivitty
- hyperactivityy
- hyperactiviyt
- hyperactivtiy
- hyperactivvity
- hyperacttivity
- hyperactviity
- hyperatcivity
- hypercativity
- hyperractivity
- hypperactivity
- hypreactivity
- hyyperactivity
- yhperactivity
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of hyperactivity - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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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Using “hyperactivity”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is H-Y-P-E-R-A-C-T-I-V-I-T-Y - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Same frequency band
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.