moribus
moribus is a Latin form of mos, meaning “custom, habit; (pl.) character”. It is the ablative plural masculine noun.
Found 508 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.4.1: Ea res est Helvetiis per indicium enuntiata. Moribus suis Orgetoricem ex vinculis causam dicere coegerunt; damnatum poenam sequi oportebat, ut igni cremaretur.
Plautus, Mostellaria 3.2.708: átque pol néscio, ut móribus sient
All forms of mos (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.