# Cygnus

> English word · Proper noun · IPA /ˈsɪɡnəs/ · frequency rank #45,311

## Definitions
1. A summer constellation of the northern sky, said to resemble a swan. It includes the triple star system HD 188753 and the stars Deneb and Albireo.
2. A king of the Ligurians and relative of Phaeton who was transformed into a swan and placed in the sky as a constellation.

## Etymology
Borrowed from Latin cygnus (“swan”), from Ancient Greek κύκνος (kúknos, “swan”).

## Easily confused with
- **Cyrus** (https://plainspell.com/en/vs/cygnus-vs-cyrus)
- **Cyprus** (https://plainspell.com/en/vs/cygnus-vs-cyprus)

## Common misspellings (10)
`ccygnus`, `cgynus`, `cyggnus`, `cygnnus`, `cygnsu`, `cygnuss`, `cyguns`, `cyngus`, `cyygnus`, `ycgnus`

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