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Use "commonalities" in a sentence
"Any discussion about ‘European culture’ that goes any further than some very vague commonalities is immediately headed for a sort of vague nonsense."
"The intersection of my thesis topic – broadly defined as the First Person Shooter (FPS) category of videogames – and the discussion of virtual reality has lead me to identify certain commonalities between the two areas."
"An overtone, if you will, which is why every culture has one (or more) and why the specifics vary so wildly even while sharing certain commonalities (creation myths, lawgiving, dakr and light, etc)."