Question

Write these nouns in the singular : data cliffs species merry-go-rounds phenomena sisters-in-law bridges swiss berries boots feet boxes pennies deer strata idices media cacti formulae

Answer 1

Date
cliff
specie
merry go round
phenomenon
sister in law
bridge
Switzerland
berry
boot
foot
box
penny
deer
strat
indice
media
cactus
formula

Answer 2

data cliff species merry-go-round phenomenon sister-in-law bridge Swiss berry boot foot box penny deer stratum index medium cactus formula