The plural of princess is princesses - just add "es." It's the same for prince: the plural is princes.
daddies.
Clouds
That is the correct spelling "princesses" for more than one princess.
Trophies
Pagent and if there is more than one pagent it is Pagents
Yes you can have more than 1 prince in a family.
Latches.
slides
daddies.
Clouds
circus's
axes
That is the correct spelling "princesses" for more than one princess.
spell it out - there is more than one ADEA
Trophies
I think perhaps you are trying to spell countries, as in more than one country.
One activist. Several activists.