What is the difference in meaning with איש?
Both are commonly used, the difference is mainly context-based and isn't critical.
I was wondering that too.
'Ge-ver (accent on the first syllable)
What is the difference between זאת and זה ?
So "man" is spelt the same way as "hero"? (Guibor?)
no, its spelt גבר and pronunced ge-ver. while hero is גיבור
Is the word אדם ever used in modern Hebrew to mean "man"?
not alot, usually its used in בן-אדם (ben adam) which means human and when refering to the biblical character Adam the first human or to any person named Adam