acorn
Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.
Letters
5 characters
Language
English
word origin
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Detailed reference entry for the English word "acorn", 5-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "acorn" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "acorn" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.
acorn is aEnglishnoun. It means: The fruit of the oak, being an oval nut growing in a woody cup or cupule. Pronounced /ˈeɪ.kɔɹn/. Often confused with ARN and acre.
| Property | Value |
|---|---|
| Headword | acorn |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈeɪ.kɔɹn/ |
| Letters | 5 |
| Frequency rank | #25,989 |
| Misspellings tracked | 7 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency rank visualization
Spelling & Dictionary Insight
The English entry for acorn is 5 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /ˈeɪ.kɔɹn/. Corpus data places it at rank #25,989 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
Our Hunspell-derived misspelling index lists 7 documented wrong-spelling variants for acorn, with forms such as "accorn", "aconr", and "acornn". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 20 confusable-pair relationships, "ARN", "acre", "Avon", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From Middle English acorn, an alteration (after corn) of earlier *akern, from Old English æcern (“acorn, oak-mast”), from Proto-West Germanic *akarn, from Proto-Germanic *akraną (“fruit; acorn, nut”), from Proto-Indo-European *h₂égrō (“berry”). Cognates Cog… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is acorn, spelled A-C-O-R-N, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1The fruit of the oak, being an oval nut growing in a woody cup or cupule.
- 2A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
- 3See acorn-shell.
- 4The glans penis.
- 5A testicle.
Etymology
From Middle English acorn, an alteration (after corn) of earlier *akern, from Old English æcern (“acorn, oak-mast”), from Proto-West Germanic *akarn, from Proto-Germanic *akraną (“fruit; acorn, nut”), from Proto-Indo-European *h₂égrō (“berry”). Cognates Cognate with Scots aicorn (“acorn”), Dutch aker (“acorn”), German Ecker (“acorn”), Danish agern (“acorn”), Faroese and Icelandic akarn (“acorn”), Norwegian Nynorsk åkorn (“acorn”), Gothic 𐌰𐌺𐍂𐌰𐌽 (akran, “fruit”); Irish airne (“sloe”), Welsh aeron (“berries; small fruits”), eirin (“plums”), Latgalian ūga (“berry”), Latvian oga (“berry”), Lithuanian uoga (“berry”), Belarusian я́гада (jáhada, “berry”), Bulgarian, Russian, and Ukrainian я́года (jáhoda, “berry”), Czech and Slovak jahoda (“strawberry”), Macedonian ја́года (jágoda, “strawberry”), Polish and Slovene jagoda (“berry”), Serbo-Croatian ја̏года, jȁgoda (“strawberry”), Tocharian A and Tocharian B oko (“fruit”). Not related to Old English āc (“oak”), corn (“corn, seed”) or Middle English acquerne.
This word in other languages
Common misspellings
Also misspelled as: accorn,aconr,acornn,acorrn,acron,aocrn,caorn
Misspelling Pattern Breakdown
Relative frequency of common misspelling types for acorn
Misspelling Variants of "acorn"
Frequency rank: #25,989 in English
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Nearby English words
Other entries that begin with the letter A in our English index: