watertightness
"watertightness" is a 14-letter English headword indexed on PlainSpell.
The verdict
“watertightness” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 14
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The condition of being watertight
| Property | Value |
|---|---|
| Headword | watertightness |
| Language | English |
| Part of speech | Noun |
| Letters | 14 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “watertightness” sits in English frequency
Rare enough to double-check
watertightness is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The condition of being watertight".
The misspelling generator found no plausible variants for watertightness, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From watertight + -ness. The correct English form is watertightness, spelled W-A-T-E-R-T-I-G-H-T-N-E-S-S.
Definition
- 1The condition of being watertight
Etymology
From watertight + -ness.
Synonyms
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). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “watertightness”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is W-A-T-E-R-T-I-G-H-T-N-E-S-S - every other letter order is a misspelling in standard orthography.
- 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.