period

/ˈpɪə.ɹi.əd/

//ˈpɪə.ɹi.əd// noun

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

"period" is a 6-letter English headword indexed on PlainSpell.

The verdict

“period” has 8 generated spelling variants in the English index at frequency #623. The variants make it a useful spelling check.

#623
frequency rank, English
4,417
“P” headwords
8
tracked misspellings
9
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A length of time.

Corpus desk

Index EN-period · period · English

period · rank #623 · 8 variants · 9 confusables

  • FREQ-CORE #623
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-MID 9 pairs
  • VAR-MID 8 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH parents

Nearest frequency peer: parents (-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 “period”

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

corpus weight

What this shows “period” 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

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

period vs prod
67% similar
period vs prior
67% similar
period vs Perot
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for period
PropertyValue
Headwordperiod
LanguageEnglish
Part of speechNoun
IPA/ˈpɪə.ɹi.əd/
Letters6
Frequency rank#623
Misspellings tracked8
Confusable pairs9
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “period”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).periodlands 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 “parents” (#622), “position” (#624), “June” (#621). Among 4,417 “P” headwords, “period” is #623. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around period (IPA /ˈpɪə.ɹi.əd/), anoun. Corpus frequency is #623 among 4,417 “P” headwords. Wiktionary lists 20 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for period, with forms such as "epriod", "peirod", and "perido". 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. It also participates in 9 confusable-pair relationships, "prod", "prior", "Perot", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English periode, from Middle French periode, from Medieval Latin periodus, from Ancient Greek περίοδος (períodos, “circuit, orbit, a recurring interval of time, path around”), from περι- (peri-, “around”) + ὁδός (hodós, “way”). Displaced native … The correct English form is period, spelled P-E-R-I-O-D.

Definition

  1. 1
    A length of time.
  2. 2
    A length of time in history seen as a single coherent entity; an epoch, era.
  3. 3
    The punctuation mark “.” (indicating the ending of a sentence or marking an abbreviation).
  4. 4
    A decisive end to something; a stop.
  5. 5
    The length of time during which the same characteristics of a periodic phenomenon recur, such as the repetition of a wave or the rotation of a planet.
  6. 6
    Female menstruation; an episode of this.
  7. 7
    Female menstruation; an episode of this.
  8. 8
    A section of an artist's, writer's (etc.) career distinguished by a given quality, preoccupation etc.
  9. 9
    Each of the divisions into which a school day is split, allocated to a given subject or activity.
  10. 10
    Each of the intervals, typically three, of which a game is divided.
  11. 11
    One or more additional intervals to decide a tied game, an overtime period.
  12. 12
    The length of time for a disease to run its course.
  13. 13
    An end or conclusion; the final point of a process, a state, an event, etc.
  14. 14
    A complete sentence, especially one expressing a single thought or making a balanced, rhythmic whole.
  15. 15
    A specific moment during a given process; a point, a stage.
  16. 16
    A row in the periodic table of the elements.
  17. 17
    A geochronologic unit of millions to tens of millions of years; a subdivision of an era, and subdivided into epochs.
  18. 18
    A Drosophila gene, the gene product of which is involved in regulation of the circadian rhythm.
  19. 19
    Two phrases (an antecedent and a consequent phrase).
  20. 20
    The length of an interval over which a periodic function, periodic sequence or repeating decimal repeats; often the least such length.

Recorded use

Wiktionary examples

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

  1. There was a period of confusion following the announcement.
  2. You'll be on probation for a six-month period.

Etymology

From Middle English periode, from Middle French periode, from Medieval Latin periodus, from Ancient Greek περίοδος (períodos, “circuit, orbit, a recurring interval of time, path around”), from περι- (peri-, “around”) + ὁδός (hodós, “way”). Displaced native Middle English tide (“interval, period, season”), from Old English tīd (“time, period, season”), as well as Middle English elde (“age, period”), from Old English ieldu (“age, period of time”).

Synonyms

pointfull stopdotfull-pointplain pointmenstruationdurationintervalperiodperiod of timetidetimetime intervaltime periodtimespanspacespanstound

Antonyms

frequency

This word in other languages

período(Español)période(Français)Zeitraum(Deutsch)período(Português)

Common misspellings

Also misspelled as:

  • epriod
  • peirod
  • perido
  • periodd
  • peroid
  • perriod
  • pperiod
  • preiod

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of period - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

epriod2peirod2perido2periodd1peroid2perriod1pperiod1preiod2
Edit distance from "period"

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 "period"?
"period" is spelled P-E-R-I-O-D. The IPA pronunciation is /ˈpɪə.ɹi.əd/.
What does "period" mean?
As a noun, "period" means: A length of time.
What words are commonly confused with "period"?
"period" is commonly confused with "prod", "prior", "Perot". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "period"?
The IPA (International Phonetic Alphabet) transcription for "period" is /ˈpɪə.ɹi.əd/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "period"?
From Middle English periode, from Middle French periode, from Medieval Latin periodus, from Ancient Greek περίοδος (períodos, “circuit, orbit, a recurring interval of time, path around”), from περι- (peri-, “around”) + ὁδός (hodós, “way”). Displac... 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 "period", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

record#625common#631you'll#615strong#614

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

account8 variantscenter8 variantsshows8 variantscouple8 variants

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

Source: FrequencyWords open word-frequency list