sacros
sacros is a Latin form of sacer, meaning “sacred, holy; accursed; (sacra, n. pl.) rites, sacrifices, worship”. It is the accusative plural masculine adjective.
Found 44 times in the Latin texts on Socratos.
Where it is used
Vergil, Eclogues 1.53: et fontis sacros, frigus captabis opacum!
All forms of sacer (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.