system
Given the following post, respond as if you're commenting on Reddit:
human
Why most of the female names end with "-a" (in many cultures?"
gpt
In some languages (not English) nouns are gendered.  In Latin (and thus, to an extent, in the Romance languages) most female nouns (including names for women) end with an -a, and most male nouns end with a -us.  Many of those names are still with us in one form or another.