inundation
"inundation" is a 10-letter English headword indexed on PlainSpell.
The verdict
“inundation” is uncommon English (frequency #55,519 among 17,902 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #55,519
- frequency rank, English
- 17,902
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act of inundating; an overflow; a flood; a rising and spreading of water over grounds.
| Property | Value |
|---|---|
| Headword | inundation |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #55,519 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “inundation” sits in English frequency
Rare enough to double-check
inundation is uncommon English at frequency #55,519 among 17,902 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
We couldn't generate a plausible misspelling set for inundation, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From Old French inundacion (“flood”) (French inondation), from Latin inundatio (“flood”), form of inundō (“I flood, overflow”) (English inundate). By surface analysis, inundat(e) + -ion. The correct English form is inundation, spelled I-N-U-N-D-A-T-I-O-N.
Definition
- 1The act of inundating; an overflow; a flood; a rising and spreading of water over grounds.
- 2The state of being inundated; flooding.
- 3An overflowing or superfluous abundance; a flood; a great influx.
Etymology
From Old French inundacion (“flood”) (French inondation), from Latin inundatio (“flood”), form of inundō (“I flood, overflow”) (English inundate). By surface analysis, inundat(e) + -ion.
This word in other languages
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 “inundation”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-U-N-D-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.