Normal
Normally
adverb, noun, の adjective
You pass through like completely normal. You are normal. You do things normally, normally.
ふつう
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
普通、人間は他人に影響されるものだと考えられています。
It’s generally believed that people are influenced by others.