sessile
/ˈsɛsaɪl/
"sessile" is a 7-letter English headword indexed on PlainSpell.
The verdict
“sessile” is uncommon English (frequency #57,059 among 6,566 “S” headwords), classed as an adjective. The kind of spelling people second-guess.
- #57,059
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Permanently attached to a substrate; not free to move about.
Corpus desk
Index EN-sessile · sessile · English
sessile · rank #57,059 · 0 variants · 0 confusables
- FREQ-RARE #57,059
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH settee
Nearest frequency peer: settee (+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 “sessile”
Sparse band: bars invert rank so rarer forms read shorter
- Selah
Selah
42,946 corpus weight
- semantically
semantically
42,945 corpus weight
- semple
semple
42,944 corpus weight
- sessile
sessile
42,942 corpus weight
- settee
settee
42,941 corpus weight
- Shami
Shami
42,940 corpus weight
What this shows Long-tail view: where “sessile” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | sessile |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈsɛsaɪl/ |
| Letters | 7 |
| Frequency rank | #57,059 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “sessile” in English
Rare enough to double-check
sessile is uncommon English at frequency #57,059 among 6,566 “S” headwords, classed as anadjective, transcribed /ˈsɛsaɪl/. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for sessile, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From Latin sessilis (“sitting”), from sessus, perfect passive participle of verb sedeō (“to sit”), + adjective suffix -ilis. Compare session. The correct English form is sessile, spelled S-E-S-S-I-L-E.
Definition
- 1Permanently attached to a substrate; not free to move about.
- 2Attached directly by the base; not having an intervening stalk; stalkless.
Recorded use
Wiktionary examplesThese source excerpts show how sessile appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
a sessile oyster
The pileus is sessile, or sometimes narrowed at the base into a short stem, the caps often numerous and crowded together in an overlapping or imbricate manner.
Etymology
From Latin sessilis (“sitting”), from sessus, perfect passive participle of verb sedeō (“to sit”), + adjective suffix -ilis. Compare session.
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 "sessile", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).