1st Declension : Nominative singular or plural?

luna

moon

lunae

moons

flora

flower

florae

flowers

poeta

poet

poetae

poets

pirata

pirate

arena

sports venue

arenae

sports venues

villa

house

villae

houses

camera

vault

camerae

vaults

piratae

pirates

femina

woman

feminae

women

arca

box

arcae

boxes

cicida

grasshopper

cicidae

grasshoppers

corona

crown

coronae

crowns

herba

plant

herbae

plants

lupa

wolf

lupae

wolves

medicina

medicine

medicinae

medicines

statua

statue

statuae

statues

tuba

horn

tubae

horns

flamma

flame

flammae

flames