seasickness
/ˈsiːsɪk.nəs/
"seasickness" is a 11-letter English headword indexed on PlainSpell.
The verdict
“seasickness” is uncommon English (frequency #82,764 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #82,764
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Nausea, dizziness etc caused by the motion of a ship; a form of motion sickness.
Corpus desk
Index EN-seasickness · seasickness · English
seasickness · rank #82,764 · 0 variants · 0 confusables
- FREQ-RARE #82,764
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH seconding
Nearest frequency peer: seconding (+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 “seasickness”
Sparse band: bars invert rank so rarer forms read shorter
- Scoutmaster
Scoutmaster
17,242 corpus weight
- scraggly
scraggly
17,241 corpus weight
- scrotal
scrotal
17,240 corpus weight
- seasickness
seasickness
17,237 corpus weight
- seconding
seconding
17,236 corpus weight
- sempre
sempre
17,234 corpus weight
What this shows Long-tail view: where “seasickness” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | seasickness |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈsiːsɪk.nəs/ |
| Letters | 11 |
| Frequency rank | #82,764 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “seasickness” in English
Rare enough to double-check
seasickness is uncommon English at frequency #82,764 among 6,566 “S” headwords, classed as anoun, transcribed /ˈsiːsɪk.nəs/. Rarity is why readers land here mid-draft. Gloss: "Nausea, dizziness etc caused by the motion of a ship; a form of motion sickness.".
Zero misspellings are on record for seasickness in our index, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From seasick + -ness and/or sea + sickness. Compare Middle English seknesse of the see (“seasickness”, literally “sickness of the sea”). The correct English form is seasickness, spelled S-E-A-S-I-C-K-N-E-S-S.
Definition
- 1Nausea, dizziness etc caused by the motion of a ship; a form of motion sickness.
Etymology
From seasick + -ness and/or sea + sickness. Compare Middle English seknesse of the see (“seasickness”, literally “sickness of the sea”).
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "seasickness", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).