As adverbs the difference between passively and negatively
is that passively is in a passive manner; without conscious or self-directed action while negatively is in a negative manner; so as to be damaging or not positive.
As adverbs the difference between passively and massively
is that passively is in a passive manner; without conscious or self-directed action while massively is in a massive manner, in a way that appears large, heavy or imposing.