# acorn

> English word · Noun · IPA /ˈeɪ.kɔɹn/ · frequency rank #25,989

## Definitions
1. The fruit of the oak, being an oval nut growing in a woody cup or cupule.
2. A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
3. See acorn-shell.
4. The glans penis.
5. A 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.

## Easily confused with
- **ARN** (https://plainspell.com/en/vs/acorn-vs-arn)
- **acre** (https://plainspell.com/en/vs/acorn-vs-acre)
- **Avon** (https://plainspell.com/en/vs/acorn-vs-avon)
- **anon** (https://plainspell.com/en/vs/acorn-vs-anon)
- **Amor** (https://plainspell.com/en/vs/acorn-vs-amor)
- **Aron** (https://plainspell.com/en/vs/acorn-vs-aron)
- **axon** (https://plainspell.com/en/vs/acorn-vs-axon)
- **Alon** (https://plainspell.com/en/vs/acorn-vs-alon)
- **aeon** (https://plainspell.com/en/vs/acorn-vs-aeon)
- **actor** (https://plainspell.com/en/vs/acorn-vs-actor)
- **adore** (https://plainspell.com/en/vs/acorn-vs-adore)
- **actin** (https://plainspell.com/en/vs/acorn-vs-actin)
- **adorn** (https://plainspell.com/en/vs/acorn-vs-adorn)
- **acton** (https://plainspell.com/en/vs/acorn-vs-acton)
- **agora** (https://plainspell.com/en/vs/acorn-vs-agora)
- **Arora** (https://plainspell.com/en/vs/acorn-vs-arora)
- **acer** (https://plainspell.com/en/vs/acer-vs-acorn)
- **abort** (https://plainspell.com/en/vs/abort-vs-acorn)
- **Accra** (https://plainspell.com/en/vs/accra-vs-acorn)
- **accord** (https://plainspell.com/en/vs/accord-vs-acorn)

## Common misspellings (7)
`accorn`, `aconr`, `acornn`, `acorrn`, `acron`, `aocrn`, `caorn`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/acorn