interfacial
"interfacial" is a 11-letter English headword indexed on PlainSpell.
The verdict
“interfacial” is uncommon English (frequency #65,995 among 17,902 “I” headwords), classed as an adjective. The kind of spelling people second-guess.
- #65,995
- frequency rank, English
- 17,902
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of or pertaining to an interface.
Corpus desk
Index EN-interfacial · interfacial · English
interfacial · rank #65,995 · 0 variants · 0 confusables
- FREQ-RARE #65,995
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 17,902
- PHOTO-FINISH interconnecte…
Nearest frequency peer: interconnectedness (-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.
Frequency neighbourhood for “interfacial”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- interconnec…
interconnectedness
34,007 corpus weight
- interfacial
interfacial
34,006 corpus weight
- interloper
interloper
34,005 corpus weight
- ironstone
ironstone
34,002 corpus weight
- itemize
itemize
34,001 corpus weight
- Ivanovna
Ivanovna
34,000 corpus weight
What this shows Bars show where “interfacial” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | interfacial |
| Language | English |
| Part of speech | Adjective |
| Letters | 11 |
| Frequency rank | #65,995 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “interfacial” sits in English frequency
Rare enough to double-check
interfacial is uncommon English at frequency #65,995 among 17,902 “I” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of or pertaining to an interface.".
Our edit-distance generator produced no likely misspellings for interfacial, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From interface + -ial. The correct English form is interfacial, spelled I-N-T-E-R-F-A-C-I-A-L.
Definition
- 1Of or pertaining to an interface.
Etymology
From interface + -ial.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "interfacial", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency 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.