coniugii
coniugii is a Latin form of coniugium, meaning “marriage; spouse”. It is the genitive singular neuter noun.
Found 31 times in the Latin texts on Socratos.
Where it is used
Ovid, Heroides 2.34: Qui mihi coniugii sponsor et obses erat?
All forms of coniugium (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.