The plural of woman is women.
Latches.
daddies.
Clouds
circus's
slides
axes
That is the correct spelling "princesses" for more than one princess.
I think perhaps you are trying to spell countries, as in more than one country.
Trophies
spell it out - there is more than one ADEA
One activist. Several activists.
Polygamy is a type of marriage where one is married to more than one person. It is usually where a man marries more than one woman but it can include a woman marrying more than one man.