vatis
vatis is a Latin form of vates, meaning “prophet, seer; poet, bard”. It is the genitive singular feminine noun.
Found 71 times in the Latin texts on Socratos.
Where it is used
Vergil, Aeneid 5.636: Nam mihi Cassandrae per somnum vatis imago
Martial, Epigrammata 7.22.1: Vatis Apollinei magno memorabilis ortu
Propertius, Elegiae 4.1.51: aut si Pergameae sero rata carmina uatis
All forms of vates (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.