rubyred said "like
old age sercurity why not senior security
(wonder who chose that ?
dead , died - paassed on
there are more that sound harsh to me just can't think of them right now . "
I think that our initial negative reaction to those words has a lot to do with societal attitudes towards those things. As was previously mentioned, we have a boatload of euphemisms to refer to dying, because our culture sees death as something negative, never to be spoken about, even though it happens to all of us.
I think old age security sounds harsh because we have placed growing old in a category that is negative. Socially we are programmed to seek out and prefer youth, beauty. Products are aimed to "reverse" aging, 20-somethings on Instagram get "preventative" botox to prevent wrinkles as long as possible.
I think what needs to happen is a reassessment of what we consider to be negative. Growing old should not be an inherently negative thing and yet we have made it as such. There are a plethora of neutral des:criptors that some people dance around to avoid offending, even though the traits themselves are not inherently good or bad, they are just a trait. As an example, avoiding using the word fat to describe someone who is fat. Some people are uncomfortable with saying a black person is black and would rather refer to them as "African American" even if the person is quite literally neither. "Old age" sounds harsh because we have been socialized to think that being old is a bad thing (it is not, it is a neutral des:criptor).
Some words sound harsh to us because they are, but 99% of the time they usually aren't, and we've just placed our own value judgments upon them.