Fashionable names and words
Each generation or age has certain fashions wrt names and words
When I was born, double-barrel names were in vogue.
Certain uncommon names associated with older people used to be fashionable when they were born.
Similarly, some lesser known words become popular for a while (until they're overused and lose their appeal).
"Leverage" is one. Nowadays people leverage things, instead of just using them.
Another one is "plethora".
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