The plural form for Harris is Harrises.
daddies.
Clouds
That is the correct spelling "princesses" for more than one princess.
Trophies
that is 'antennae' .
Latches.
daddies.
Clouds
circus's
slides
axes
That is the correct spelling "princesses" for more than one princess.
Trophies
spell it out - there is more than one ADEA
I think perhaps you are trying to spell countries, as in more than one country.
One activist. Several activists.
More than one blog=blogs.