Origin: Greek suffix -ism
Patriotism has 2 different meanings across 1 category:
love of country and willingness to sacrifice for it
"they rode the same wave of popular patriotism"
"British nationalism was in the air and patriotic sentiments ran high"
Love of one's country; devotion to the welfare of one's compatriots; passion which inspires one to serve one's country.
"Her deep patriotism drove her to volunteer every weekend at the local food bank, ensuring that neighbors in need were always taken care of."