ruggedness
"ruggedness" is a 10-letter English headword indexed on PlainSpell.
The verdict
“ruggedness” is uncommon English (frequency #80,834 among 3,094 “R” headwords), classed as a noun. The kind of spelling people second-guess.
- #80,834
- frequency rank, English
- 3,094
- “R” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state of being rugged, or degree to which something is rugged.
Corpus desk
Index EN-ruggedness · ruggedness · English
ruggedness · rank #80,834 · 0 variants · 0 confusables
- FREQ-RARE #80,834
- LEN-MEGA 10 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH Rudge
Nearest frequency peer: Rudge (-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.
Long-tail ranks near “ruggedness”
Sparse band: bars invert rank so rarer forms read shorter
- rubi
rubi
19,170 corpus weight
- Rudge
Rudge
19,168 corpus weight
- ruggedness
ruggedness
19,167 corpus weight
- Safford
Safford
19,163 corpus weight
- sain
sain
19,161 corpus weight
- Sangamon
Sangamon
19,158 corpus weight
What this shows Long-tail view: where “ruggedness” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | ruggedness |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #80,834 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “ruggedness” in English
Rare enough to double-check
ruggedness is uncommon English at frequency #80,834 among 3,094 “R” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for ruggedness, 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 nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From rugged + -ness. The correct English form is ruggedness, spelled R-U-G-G-E-D-N-E-S-S.
Definition
- 1The state of being rugged, or degree to which something is rugged.
- 2A rugged or irregular feature.
Recorded use
Wiktionary exampleThese source excerpts show how ruggedness appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The surface of which […] could not nevertheless hide a multitude of holes and scratches and ruggednesses from being discover'd by the Microscope to invest it […].
Etymology
From rugged + -ness.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "ruggedness", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).