hyperactivity

Name: hyperactivity, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed September 3, 2026

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: 2,646
“H” headwords: 21
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The quality of being hyperactive; excessive and pathological movement and restlessness.

Corpus desk

Index EN-hyperactivity · hyperactivity · English

hyperactivity · rank #34,532 · 21 variants · 0 confusables

FREQ-MID #34,532
LEN-MEGA 13 letters
VOW-6 6 vowels
CONFUS-0 No pairs
VAR-HIGH 21 variants
BOOK-MID 2,646
PHOTO-FINISH Hyman

Nearest frequency peer: Hyman (-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.

hydrolysis

65,472
hydropower

65,471
Hyman

65,470
hyperactivi…

65,469
ile

65,467
illiteracy

65,466

What this shows “hyperactivity” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Key facts for hyperactivity
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)

Frequency seat of misspelling magnet “hyperactivity”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).hyperactivitylands here:

#34,532

#1#100#1K#10K#100K

← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Hyman” (#34,531), “hydropower” (#34,530), “ile” (#34,534). Among 2,646 “H” headwords, “hyperactivity” is #34,532. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 21 spelling variants around hyperactivity, anoun. Corpus frequency is #34,532 among 2,646 “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

1
The quality of being hyperactive; excessive and pathological movement and restlessness.

Recorded use

Wiktionary example

These source excerpts show how hyperactivity appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

Having attention deficit hyperactivity disorder, or ADHD, is associated with a shorter life expectancy and a greater risk of mental health issues, according to a new study of more than 30,000 people with the disorder in the United Kingdom.

Etymology

From hyper- + activity.

This word in other languages

hyperactivité(Français)Hyperaktivität(Deutsch)hiperatividade(Português)

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.

Edit distance from "hyperactivity"

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

How do you spell "hyperactivity"?

"hyperactivity" is spelled H-Y-P-E-R-A-C-T-I-V-I-T-Y.

What does "hyperactivity" mean?

As a noun, "hyperactivity" means: The quality of being hyperactive; excessive and pathological movement and restlessness.

What are common misspellings of "hyperactivity"?

Common misspellings include "hhyperactivity", "hpyeractivity", "hyepractivity", "hypearctivity", "hyperacctivity". The correct spelling is "hyperactivity".

What is the origin of the word "hyperactivity"?

From hyper- + activity. See the full etymology section above for more details.

Is PlainSpell free to use?

Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "hyperactivity", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

intergalactic#34,546 eavesdropping#34,468 disheartening#34,465 compositional#34,442

Similar misspelling depth

Headwords with a similar count of attested misspellings (21 here; floor ≥5).

astonishingly21 variants physiotherapy21 variants epidemiological21 variants reorganisation21 variants