sublingual
/sʌbˈlɪŋ.ɡwəl/
"sublingual" is a 10-letter English headword indexed on PlainSpell.
The verdict
“sublingual” is uncommon English (frequency #71,945 among 54,294 “S” headwords), classed as an adjective. The kind of spelling people second-guess.
- #71,945
- frequency rank, English
- 54,294
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Administered through placement under the tongue.
| Property | Value |
|---|---|
| Headword | sublingual |
| Language | English |
| Part of speech | Adjective |
| IPA | /sʌbˈlɪŋ.ɡwəl/ |
| Letters | 10 |
| Frequency rank | #71,945 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “sublingual” sits in English frequency
Rare enough to double-check
sublingual is uncommon English at frequency #71,945 among 54,294 “S” headwords, classed as anadjective, transcribed /sʌbˈlɪŋ.ɡwəl/. Rarity is why readers land here mid-draft. 3 senses are on record.
Our edit-distance generator produced no likely misspellings for sublingual, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: Borrowed from New Latin sublinguālis, from sub- (“under, below, beneath”) + linguālis (“relating to the tongue”); equivalent to sub- + lingual. The correct English form is sublingual, spelled S-U-B-L-I-N-G-U-A-L.
Definition
- 1Administered through placement under the tongue.
- 2Situated beneath the tongue.
- 3Of or pertaining to the sublingual gland.
Etymology
Borrowed from New Latin sublinguālis, from sub- (“under, below, beneath”) + linguālis (“relating to the tongue”); equivalent to sub- + lingual.
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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Using “sublingual”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-U-B-L-I-N-G-U-A-L - every other letter order is a misspelling in standard orthography.
- Say it as /sʌbˈlɪŋ.ɡwəl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.