lightyear
noun
lightyear is spelled L-I-G-H-T-Y-E-A-R: 9 letters. It appears about once in every 3 million words in written English, the 52,337th most frequent word form (wordfreq, 2021 data). As a noun, lightyear means “Alternative spelling of light year” (English Wiktionary, September 2026). The plural of lightyear is lightyears.
How many letters and syllables are in lightyear?
| Letters | 9: L-I-G-H-T-Y-E-A-R |
|---|---|
| In writing | about once in every 3 million words; the 52,337th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is lightyear?
Lightyear appears about once in every 3 million words in written English, the 52,337th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Words people confuse with lightyear
Also written: light-year (one word or two).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of lightyear
- lightyears plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does lightyear mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Alternative spelling of light year.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).