adjoin
/əˈd͡ʒɔɪn/
"adjoin" is a 6-letter English headword indexed on PlainSpell.
The verdict
“adjoin” is uncommon English (frequency #97,763 among 3,931 “A” headwords), classed as a verb. The kind of spelling people second-guess.
- #97,763
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To be in contact or connection with.
Corpus desk
Index EN-adjoin · adjoin · English
adjoin · rank #97,763 · 0 variants · 0 confusables
- FREQ-RARE #97,763
- LEN-LONG 6 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH Adeyemi
Nearest frequency peer: Adeyemi (-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 “adjoin”
Sparse band: bars invert rank so rarer forms read shorter
- acquits
acquits
2,244 corpus weight
- ActionScript
ActionScript
2,243 corpus weight
- actus
actus
2,242 corpus weight
- Adah
Adah
2,241 corpus weight
- Adeyemi
Adeyemi
2,239 corpus weight
- adjoin
adjoin
2,238 corpus weight
What this shows Long-tail view: where “adjoin” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | adjoin |
| Language | English |
| Part of speech | Verb |
| IPA | /əˈd͡ʒɔɪn/ |
| Letters | 6 |
| Frequency rank | #97,763 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “adjoin” in English
Rare enough to double-check
adjoin is uncommon English at frequency #97,763 among 3,931 “A” headwords, classed as averb, transcribed /əˈd͡ʒɔɪn/. Rarity is why readers land here mid-draft. 2 senses are on record.
adjoin doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From Anglo-Norman adjoindre, from Latin adiungō. The correct English form is adjoin, spelled A-D-J-O-I-N.
Definition
- 1To be in contact or connection with.
- 2To extend an algebraic object (e.g. a field, a ring, etc.) by adding to it an element not belonging to it and then ensuring closure, for example by also adding all finite power series of the element.
Recorded use
Wiktionary examplesThese source excerpts show how adjoin appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The living room and dining room adjoin each other.
We were in the living area, which adjoins the kitchen.
Etymology
From Anglo-Norman adjoindre, from Latin adiungō.
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 "adjoin", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 6 letters (nearest by frequency rank).