rehydration
"rehydration" is a 11-letter English headword indexed on PlainSpell.
The verdict
“rehydration” is uncommon English (frequency #66,979 among 3,094 “R” headwords), classed as a noun. The kind of spelling people second-guess.
- #66,979
- frequency rank, English
- 3,094
- “R” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The replenishment of water and electrolytes lost through dehydration.
Corpus desk
Index EN-rehydration · rehydration · English
rehydration · rank #66,979 · 0 variants · 0 confusables
- FREQ-RARE #66,979
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH regulus
Nearest frequency peer: regulus (-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 “rehydration”
Sparse band: bars invert rank so rarer forms read shorter
- reductionist
reductionist
33,025 corpus weight
- reevaluation
reevaluation
33,024 corpus weight
- regulus
regulus
33,023 corpus weight
- rehydration
rehydration
33,022 corpus weight
- Reigate
Reigate
33,021 corpus weight
- reined
reined
33,020 corpus weight
What this shows Long-tail view: where “rehydration” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | rehydration |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #66,979 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “rehydration” in English
Rare enough to double-check
rehydration is uncommon English at frequency #66,979 among 3,094 “R” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The replenishment of water and electrolytes lost through dehydration.".
We couldn't generate a plausible misspelling set for rehydration, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From re- + hydration. The correct English form is rehydration, spelled R-E-H-Y-D-R-A-T-I-O-N.
Definition
- 1The replenishment of water and electrolytes lost through dehydration.
Etymology
From re- + hydration.
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.
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "rehydration", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).