synesthesia
"synesthesia" is a 11-letter English headword indexed on PlainSpell.
The verdict
“synesthesia” is uncommon English (frequency #71,145 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #71,145
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative spelling of synaesthesia.
Corpus desk
Index EN-synesthesia · synesthesia · English
synesthesia · rank #71,145 · 0 variants · 0 confusables
- FREQ-RARE #71,145
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH Symington
Nearest frequency peer: Symington (-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 “synesthesia”
Sparse band: bars invert rank so rarer forms read shorter
- styler
styler
28,861 corpus weight
- Symington
Symington
28,857 corpus weight
- synesthesia
synesthesia
28,856 corpus weight
- Talbert
Talbert
28,855 corpus weight
- tante
tante
28,853 corpus weight
- Tatler
Tatler
28,851 corpus weight
What this shows Long-tail view: where “synesthesia” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | synesthesia |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #71,145 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “synesthesia” in English
Rare enough to double-check
synesthesia is uncommon English at frequency #71,145 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Alternative spelling of synaesthesia.".
We couldn't generate a plausible misspelling set for synesthesia, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From syn- + -esthesia. The correct English form is synesthesia, spelled S-Y-N-E-S-T-H-E-S-I-A.
Definition
- 1Alternative spelling of synaesthesia.
Recorded use
Wiktionary examplesThese source excerpts show how synesthesia appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
[…] R. H. Gault's case of synesthesia in a deaf and blind girl, who could distinguish colors by the sense of smell, […]
Because of this, SSDs are one of the first technologies to meaningfully demonstrate just what synesthesia – or at least one kind of it – might feel like to those who have never had it.
Etymology
From syn- + -esthesia.
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 "synesthesia", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).