menstruation

/ˌmɛnstɹuːˈeɪʃən/

//ˌmɛnstɹuːˈeɪʃən// noun

"menstruation" is a 12-letter English headword indexed on PlainSpell.

The verdict

“menstruation” is a moderately-common English word, ranked #32,919 in English word frequency and used as a noun.

#32,919
frequency rank, English
12
letters
19
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The periodic discharging of the menses, the flow of blood and cells from the lining of the uterus in unfertilized females of humans and other primates.

Key facts for menstruation
PropertyValue
Headwordmenstruation
LanguageEnglish
Part of speechNoun
IPA/ˌmɛnstɹuːˈeɪʃən/
Letters12
Frequency rank#32,919
Misspellings tracked19
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “menstruation” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for menstruation is 12 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌmɛnstɹuːˈeɪʃən/. Corpus data places it at rank #32,919 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 19 likely wrong-spelling variants for menstruation, with forms such as "emnstruation", "mennstruation", and "mensrtuation". 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. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From menstruum + -ation, modelled after Late Latin menstruatio. The word is a cognate with French menstruation, Spanish menstruación, which displaced Old English mōnaþblōd (literally “monthblood”). The correct English form is menstruation, spelled M-E-N-S-T-R-U-A-T-I-O-N.

Definition

  1. 1
    The periodic discharging of the menses, the flow of blood and cells from the lining of the uterus in unfertilized females of humans and other primates.
  2. 2
    An instance of menstruation, the part of each month during which a fertile woman menstruates.

Etymology

From menstruum + -ation, modelled after Late Latin menstruatio. The word is a cognate with French menstruation, Spanish menstruación, which displaced Old English mōnaþblōd (literally “monthblood”).

Synonyms

menstruationAunt FloAunt FriedaAunt Roseblobblood sportsBloody Maryblowjob weekbreaching the beaver damcatameniacaught shortCharlieclosed for maintenancecome crookcountry cousincrimson tidecrimson wavecursecurse of Evecurse of Tomdropping clotsentertaining the generalfallen to the Communistsfall off the roofflowersflashing the red flagflying bakerflying the red flagfriendgrandma Georgegrannygranny gruntshave the painters inhave one's moonshave the rag onhigh tideholy weekillnessin the red tentJennielady problemslady timelittle sistermenstrual periodmenstruation periodMonicamonthliesmonthly billmonthly friendmonthly periodmonthly visitormooncup timemoontimemother natureoff gamesold faithfulonon a streakOTBon the blobon the clothon the ragout of orderpaddling in scarlet watersperiodpoorlinessraggingred-headed auntred-letter dayred sails in the sunsetriding the cotton ponyriding the red riverRita Red Pantsshark weeksoso-sosquiffysurfing the crimson tidesurfing the crimson wavesurrendering to the red armythe captain is homethe cardinal is homethe flag is outthe flag is upthe Reds are playing at hometime for an oil changetime of the monthTomTommyup on blockswoman's week

This word in other languages

Common misspellings

Also misspelled as: emnstruation,mennstruation,mensrtuation,mensstruation,menstraution,menstrruation,menstruaiton,menstruasion,menstruatino,menstruationn,menstruatoin,menstruattion,menstrutaion,mensttruation,mensturation,mentsruation,mesntruation,mmenstruation,mnestruation

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of menstruation - 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.

emnstruation2mennstruation1mensrtuation2mensstruation1menstraution2menstrruation1menstruaiton2menstruasion1
Edit distance from "menstruation"

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 "menstruation"?
"menstruation" is spelled M-E-N-S-T-R-U-A-T-I-O-N. The IPA pronunciation is /ˌmɛnstɹuːˈeɪʃən/.
What does "menstruation" mean?
As a noun, "menstruation" means: The periodic discharging of the menses, the flow of blood and cells from the lining of the uterus in unfertilized females of humans and other primates.
What are common misspellings of "menstruation"?
Common misspellings include "emnstruation", "mennstruation", "mensrtuation", "mensstruation", "menstraution". The correct spelling is "menstruation".
How do you pronounce "menstruation"?
The IPA (International Phonetic Alphabet) transcription for "menstruation" is /ˌmɛnstɹuːˈeɪʃən/. 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 "menstruation"?
From menstruum + -ation, modelled after Late Latin menstruatio. The word is a cognate with French menstruation, Spanish menstruación, which displaced Old English mōnaþblōd (literally “monthblood”). 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.

Using “menstruation”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is M-E-N-S-T-R-U-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌmɛnstɹuːˈeɪʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list