The plural form of the noun 'fetus' is fetuses, or it could be 'twins'.
The plural form of the noun fetus is fetuses.
Fetuses
The plural word for embryo is embryos.
The fetus' umbilical cord. (Singular) The twin fetuses' mother. (Plural)
pixaxe is the singular version, pickaxes is the plural version.
The plural of googol is googols.
The plural version of bat is bats.
Suppers is the plural version of supper.
ounce is the singular version and ounces is plural.
The plural of "glass" is "glasses."
These.
Cephalic Version