waterproofness
"waterproofness" is a 14-letter English headword indexed on PlainSpell.
The verdict
“waterproofness” 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 property of being waterproof.
| Property | Value |
|---|---|
| Headword | waterproofness |
| Language | English |
| Part of speech | Noun |
| Letters | 14 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “waterproofness” sits in English frequency
Rare enough to double-check
waterproofness is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The property of being waterproof.".
No misspelling variants are generated for waterproofness in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. 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 waterproof + -ness. The correct English form is waterproofness, spelled W-A-T-E-R-P-R-O-O-F-N-E-S-S.
Definition
- 1The property of being waterproof.
Etymology
From waterproof + -ness.
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
How do you spell "waterproofness"?
What does "waterproofness" mean?
What is the origin of the word "waterproofness"?
Is PlainSpell free to use?
Using “waterproofness”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is W-A-T-E-R-P-R-O-O-F-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.