🔸 Singular 🔸 Plural
(един.) (множ.)
🔹 Datum 🔹 Data
🔹 Medium 🔹 Media
🔹 Quiz 🔹 Quizzes
🔹 Analysis 🔹 Analyses
🔹 Crisis 🔹 Crises
🔹 Basis 🔹 Bases
🔹 Oasis 🔹 Oases
🔹 Thesis 🔹 Theses
🔹 Apex 🔹 Apices
🔹 Index 🔹 Indices
🔹 Codex 🔹 Codices
🔹 Aircraft 🔹 Aircraft
🔹 Swine 🔹 Swine
🔹 Tuna 🔹 Tuna
🔹 Bison 🔹 Bison
🔹 Trout 🔹Trout
🔹 Ox 🔹 Oxen
🔹 Child 🔹 Children
🔹 Mouse 🔹 Mice
🔹 Louse 🔹 Lice
🔹 Cactus 🔹 Cacti
🔹 Focus 🔹 Foci
🔹 Antenna 🔹 Antennae
🔹 Formula 🔹 Formulae