8. Latin noun declension
Singular Plural
1 f -a -ae
ex. alumna(怱I伏) alumnae
2 m -us -i
alumnus alumni
n -um -a
datum data
3 m -is -es
basis bases
9. Singular Plural
apple apples
antenna antennae L.1
formula formulae L.1
datum data L.2/Greek
medium media L.2/Greek
symposium symposia L.2/Greek
erratum errata L.2/Greek
memorandum memoranda L.2/Greek
analysis analyses Greek/L
basis bases Greek/L
crisis crises Greek/L