SIJ
noun
SIJ is spelled S-I-J: 3 letters. It appears about once in every 35 million words in written English, the 182,517th most frequent word form (wordfreq, 2021 data). As a noun, SIJ means “Initialism of sacroiliac joint” (English Wiktionary, September 2026). The plural of SIJ is SIJs.
How many letters and syllables are in SIJ?
| Letters | 3: S-I-J |
|---|---|
| In writing | about once in every 35 million words; the 182,517th 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 SIJ?
SIJ appears about once in every 35 million words in written English, the 182,517th 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).
Forms of SIJ
- SIJs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does SIJ mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Initialism of sacroiliac joint.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).