periodicity

noun

By · According to Wiktionary data (CC BY-SA) ·

"periodicity" is a 11-letter English headword indexed on PlainSpell.

The verdict

“periodicity” has 16 generated spelling variants in the English index at frequency #49,546. The variants make it a useful spelling check.

#49,546
frequency rank, English
4,417
“P” headwords
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Recurrence of a woman's periods; menstruation.

Corpus desk

Index EN-periodicity · periodicity · English

periodicity · rank #49,546 · 16 variants · 0 confusables

  • FREQ-MID #49,546
  • LEN-MEGA 11 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 16 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH perforation

Nearest frequency peer: perforation (-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.

Rank peers near misspelling magnet “periodicity”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for periodicity
PropertyValue
Headwordperiodicity
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#49,546
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “periodicity”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).periodicitylands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “perforation” (#49,545), “personals” (#49,547), “perfectionism” (#49,544). Among 4,417 “P” headwords, “periodicity” is #49,546. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around periodicity, anoun. Corpus frequency is #49,546 among 4,417 “P” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for periodicity, with forms such as "epriodicity", "peirodicity", and "peridoicity". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From French périodicité. By surface analysis, periodic + -ity. The correct English form is periodicity, spelled P-E-R-I-O-D-I-C-I-T-Y.

Definition

  1. 1
    Recurrence of a woman's periods; menstruation.
  2. 2
    The quality of being periodic; tendency to recur at regular intervals.
  3. 3
    The quality of a function with a repeated set of values at regular intervals.

Recorded use

Wiktionary examples

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

  1. The implications of this association of women and the moon would suggest that women were the first observers of the basic periodicity of nature, the periodicity upon which all later scientific observations were made.
  2. A recent wavelet analysis of the turbidity data showed clear periodicities of turbidity in the three Pilbara datasets during both the baseline and dredge phases of the studies (Stark, unublished data) peaking semidiurnally associated with tides, diurnally associated with daily sea breezes and sometimes fortnightly associated with spring-neap cycles.

Etymology

From French périodicité. By surface analysis, periodic + -ity.

This word in other languages

périodicité(Français)Periodizität(Deutsch)periodicidade(Português)

Common misspellings

Also misspelled as:

  • epriodicity
  • peirodicity
  • peridoicity
  • periodciity
  • perioddicity
  • periodiccity
  • periodicitty
  • periodicityy
  • periodiciyt
  • periodictiy
  • periodiicty
  • perioidcity
  • peroidicity
  • perriodicity
  • pperiodicity
  • preiodicity

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of periodicity - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

epriodicity2peirodicity2peridoicity2periodciity2perioddicity1periodiccity1periodicitty1periodicityy1
Edit distance from "periodicity"

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 "periodicity"?
"periodicity" is spelled P-E-R-I-O-D-I-C-I-T-Y.
What does "periodicity" mean?
As a noun, "periodicity" means: Recurrence of a woman's periods; menstruation.
What are common misspellings of "periodicity"?
Common misspellings include "epriodicity", "peirodicity", "peridoicity", "periodciity", "perioddicity". The correct spelling is "periodicity".
What is the origin of the word "periodicity"?
From French périodicité. By surface analysis, periodic + -ity. 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 "periodicity", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

perforation#49,545obfuscation#49,530portmanteau#49,563puritanical#49,572

Similar misspelling depth

Headwords with a similar count of attested misspellings (16 here; floor ≥5).

platformer16 variantsrationalist16 variantsrepudiation16 variantslithograph16 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list