focos
focos is a Latin form of focus, meaning “hearth, fireplace; home”. It is the accusative plural masculine noun.
Found 69 times in the Latin texts on Socratos.
Where it is used
Cicero, Philippicae 2.72: … ntra consules imperatoresque populi Romani, contra senatum populumque Romanum, contra deos patrios arasque et focos, contra patriam tuli. num sibi soli vicit? quorum facinus est commune, cur non sit eorum praeda communis? ius …
All forms of focus (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.